| Word | Present Participle | Present Participle Alternative |
|---|---|---|
| travel | travelling | traveling |
| benefit | benefiting | benefitting |
| focus | focusing | focussing |
| cancel | cancelling | canceling |
| combat | combatting | combating |
| signal | signalling | signaling |
| level | leveling | levelling |
| target | targeting | targetting |
| label | labelling | labeling |
| total | totalling | totaling |
| age | ageing | aging |
| worship | worshipping | worshiping |
| model | modelling | modeling |
| rival | rivalling | rivaling |
| counsel | counselling | counseling |
| channel | channeling | channelling |
| dial | dialing | dialling |
| gossip | gossiping | gossipping |
| unravel | unraveling | unravelling |
| queue | queueing | queuing |
| equal | equalling | equaling |
| quarrel | quarrelling | quarreling |
| glue | gluing | glueing |
| fuel | fueling | fuelling |
| kidnap | kidnapping | kidnaping |
| marvel | marvelling | marveling |
| pedal | pedalling | pedaling |
| revel | revelling | reveling |
| swivel | swiveling | swivelling |
| bus | bussing | busing |
| plummet | plummeting | plummetting |
| parallel | paralleling | parallelling |
| rue | ruing | rueing |
| refuel | refueling | refuelling |
| marshal | marshalling | marshaling |
| boogie | boogying | boogieing |
| spiral | spiraling | spiralling |
| arc | arcing | arcking arking |
| bias | biasing | biassing |
| shrivel | shrivelling | shriveling |
| binge | binging | bingeing |
| pencil | pencilling | penciling |
| true | trueing | truing |
| chisel | chiseling | chiselling |
| grovel | grovelling | groveling |
| fidget | fidgeting | fidgetting |
| imperil | imperilling | imperiling |
| lunge | lunging | lungeing |
| whinge | whingeing | whinging |
| tunnel | tunnelling | tunneling |
| remodel | remodeling | remodelling |
| weasel | weaseling | weaselling |
| dye | dyeing | dying |
| decontrol | decontrolling | decontroling |
| funnel | funnelling | funneling |
| bedevil | bedeviling | bedevilling |
| cadge | cadging | cadgin |
| cosset | cosseting | cossetting |
| shovel | shoveling | shovelling |
| pummel | pummelling | pummeling |
| devil | deviling | devilling |
| blue | blueing | bluing |
| initial | initialing | initialling |
| turnip | turniping | turnipping |
| cavil | cavilling | caviling |
| parcel | parceling | parcelling |
| awe | awing | aweing |
| trial | trialling | trialing |
| rivet | riveting | rivetting |
| tinsel | tinselling | tinseling |
| reprogram | reprogramming | reprograming |
| billet | billeting | billetting |
| hiccup | hiccuping | hiccupping |
| miscue | miscuing | miscueing |
| carol | carolling | caroling |
| court-martial | court-martialing | court-martialling |
| stencil | stencilling | stenciling |
| lol | loling | lolling |
| taxi | taxiing | taxying |
| ricochet | ricocheting | ricochetting |
| drivel | driveling | drivelling |
| chorus | chorusing | chorussing |
| hie | hying | hieing |
| twinge | twingeing | twinging |
| gruel | gruelling | grueling |
| bevel | bevelling | beveling |
| cudgel | cudgeling | cudgelling |
| snorkel | snorkelling | snorkeling |
| buffet | buffeting | buffetting |
| bivouac | bivouacing | bivouacking |
| reroute | rerouting | rerouteing |
| towel | toweling | towelling |
| hinge | hinging | hingeing |
| reoccur | reoccuring | reoccurring |
| ravel | ravelling | raveling |
| banquet | banqueting | banquetting |
| corbel | corbelling | corbeling |
| telecine | telecining | telecineing |
| harlot | harloting | harlotting |
| gambol | gambolling | gamboling |
| tinge | tinging | tingeing |
| fash | fashing | fashin |
| relabel | relabelling | relabeling |
| photostat | photostatting | photostating |
| rechannel | rechanneling | rechannelling |
| clue | cluing | clueing |
| junket | junketing | junketting |
| teasel | teaselling | teaseling |
| trammel | trammelling | trammeling |
| yodel | yodelling | yodeling |
| libel | libelling | libeling |
| hansel | hanselling | hanseling |
| duel | dueling | duelling |
| hovel | hovelling | hoveling |
| diagram | diagraming | diagramming |
| tarmac | tarmacking | tarmacing |
| jodel | jodelling | jodeling |
| trepan | trepanning | trepaning |
| brevet | breveting | brevetting |
| preprogram | preprogramming | preprograming |
| gavel | gaveling | gavelling |
| refocus | refocusing | refocussing |
| radiolabel | radiolabeling | radiolabelling |
| sentinel | sentineling | sentinelling |
| entrammel | entrammeling | entrammelling |
| snippet | snippeting | snippetting |
| retarget | retargeting | retargetting |
| frivol | frivolling | frivoling |
| barrel | barrelling | barreling |
| rappel | rappelling | rappeling |
| pommel | pommelling | pommeling |
| snivel | snivelling | sniveling |
| hye | hying | hyeing |
| hatchet | hatcheting | hatchetting |
| jumar | jumaring | jumarring |
| coyote | coyoteing | coyoting |
| retravel | retraveling | retravelling |
| autocancel | autocancelling | autocanceling |
| bushel | busheling | bushelling |
| revictual | revictualing | revictualling |
| drunk dial | drunk dialing | drunk dialling |
| dognap | dognapping | dognaping |
| disfellowship | disfellowshipping | disfellowshiping |
| rogue | roguing | rogueing |
| vitriol | vitrioling | vitriolling |
| cocounsel | cocounseling | cocounselling |
| runnel | runnelling | runneling |
| thermal | thermaling | thermalling |
| sortie | sortying | sortieing |
| whammel | whammelling | whammeling |
| unrar | unraring | unrarring |
| dial into | dialing into | dialling into |
| torque | torquing | torqueing |
| to and fro | toing and froing | to and froing |
| exam | examming | examing |
| unbowel | unbowelling | unboweling |
| hickup | hickuping | hickupping |
| jigget | jiggetting | jiggeting |
| cherup | cheruping | cherupping |
| gimbal | gimballing | gimbaling |
| enamel | enameling | enamelling |
| hyperfocus | hyperfocusing | hyperfocussing |
| gibbet | gibbeting | gibbetting |
| enkennel | enkennelling | enkenneling |
| admin | admining | adminning |
| facsimile | facsimileing | facsimiling |
| soliloquy | soliloquying | soliloquing |
| bepommel | bepommeling | bepommelling |
| surplus | surplussing | surplusing |
| assoilzie | assoilzieing | assoilzying |
| unbias | unbiasing | unbiassing |
| bemoisten | bemoistening | bemoist'ning |
| prefocus | prefocusing | prefocussing |
| zinc | zincing | zinking zincking |
| newmodel | newmodelling | newmodeling |
| rock and roll | rocking and rolling | rock and rolling |
| bejewel | bejewelling | bejeweling |
| envassal | envassaling | envassalling |
| missignal | missignaling | missignalling |
| disbowel | disboweling | disbowelling |
| scandal | scandalling | scandaling |
| weasel out | weaseling out | weaselling out |
| cancel out | cancelling out | canceling out |
| backpedal | backpedaling | backpedalling |
| spancel | spancelling | spanceling |
| predye | predyeing | predying |
| overdye | overdyeing | overdying |
| russet | russeting | russetting |
| misdial | misdialling | misdialing |
| stot | stotting | stottin |
| medical out | medicalling out | medicaling out |
| reapparel | reappareling | reapparelling |
| scram | scraming | scramming |
| springe | springing | springeing |
| jump rope | jumping rope | jump roping |
| outduel | outdueling | outduelling |
| hallal | hallaling | hallalling |
| out-chorus | out-chorusing | out-chorussing |
| twoc | twoccing | twocking |
| flannel | flanneling | flannelling |
| pencil out | pencilling out | penciling out |
| resignal | resignaling | resignalling |
| fondue | fondueing | fonduing |
| kennel | kenneling | kennelling |
| tittup | tittupping | tittuping |
| bowel | bowelling | boweling |
| summit | summiting | summitting |
| demosaic | demosaicking | demosaicing |
| refunnel | refunnelling | refunneling |
| hondel | hondelling | hondeling |
| gerbil | gerbilling | gerbiling |
| plodge | plodging | plodgin |
| unlevel | unleveling | unlevelling |
| braai | braaing | braaiing |
| hocus | hocusing | hocussing |
| RV | RVing | RV'ing RV-ing |
| bishop | bishoping | bishopping |
| char | charing | charring |
| postil | postiling | postilling |
| bishop | bishoping | bishopping |
| nickel | nickeling | nickelling |
| precancel | precanceling | precancelling |
| macadam | macadaming | macadamming |
| caucus | caucusing | caucussing |
| jol | jolling | joling |
| luge | luging | lugeing |
| overpedal | overpedalling | overpedaling |
| secret | secretting | secreting |
| uncoif | uncoifing | uncoiffing |
| spaniel | spanielling | spanieling |
| speed-dial | speed-dialing | speed-dialling |
| mischannel | mischanneling | mischannelling |
| level up | leveling up | levelling up |
| self-focus | self-focusing | self-focussing |
| fuel up | fueling up | fuelling up |
| boogie down | boogying down | boogieing down |
| carrol | carrolling | carroling |
| maximin | maximinning | maximining |
| court martial | court martialing | court martialling |
| aliquot | aliquoting | aliquotting |
| vowel | vowelling | voweling |
| blue-pencil | blue-pencilling | blue-penciling |
| controul | controulling | controuling |
| ID | IDing | ID'ing |
| general | generalling | generaling |
| empannel | empannelling | empanneling |
| gambrel | gambrelling | gambreling |
| becudgel | becudgeling | becudgelling |
| preage | preageing | preaging |
| dezinc | dezincing | dezincking |
| embowel | emboweling | embowelling |
| halal | halaling | halalling |
| medal | medaling | medalling |
| housel | houseling | houselling |
| rowel | roweling | rowelling |
| tie-dye | tie-dyeing | tie-dying |
| plus | plusing | plussing |
| unglue | ungluing | unglueing |
| protocol | protocoling | protocolling |
| journal | journaling | journalling |
| impanel | impanelling | impaneling |
| vessel | vesselling | vesseling |
| mislabel | mislabelling | mislabeling |
| misprogram | misprogramming | misprograming |
| impannel | impannelling | impanneling |
| corset | corseting | corsetting |
| pretzel | pretzelling | pretzeling |
| carburet | carbureting | carburetting |
| envowel | envowelling | envoweling |
| Houdini | Houdiniing | Houdini-ing |
| gravel | gravelling | graveling |
| war-dial | war-dialing | war-dialling |
| vial | vialing | vialling |
| backchannel | backchanneling | backchannelling |
| defocus | defocusing | defocussing |
| disembowel | disemboweling | disembowelling |
| eye | eyeing | eying |
| ollie | ollying | ollieing |
| scunge | scunging | scungeing |
| circus | circusing | circussing |
| unmarshal | unmarshalling | unmarshaling |
| emperil | emperiling | emperilling |
| omnibus | omnibusing | omnibussing |
| handsel | handselling | handseling |
| attal | attalling | attaling |
| predial | predialling | predialing |
| untar | untaring | untarring |
| symbol | symboling | symbolling |
| dishevel | disheveling | dishevelling |
| autodial | autodialing | autodialling |
| disemvowel | disemvowelling | disemvoweling |
| mural | muralling | muraling |
| credential | credentialing | credentialling |
| discounsel | discounselling | discounseling |
| delevel | deleveling | delevelling |
| foresignal | foresignaling | foresignalling |
| lateral | lateralling | lateraling |
| new-model | new-modelling | new-modeling |
| midwife | midwiving | midwifing |
| schnorkel | schnorkelling | schnorkeling |
| parget | pargeting | pargetting |
| bayonet | bayoneting | bayonetting |
| leaflet | leafleting | leafletting |
| winge | wingeing | winging |
| medevac | medevacking | medevacing |
| wheelie | wheelying | wheelieing |
| regravel | regravelling | regraveling |
| embrothel | embrothelling | embrotheling |
| unfocus | unfocusing | unfocussing |
| overeye | overeyeing | overeying |
| coif | coiffing | coifing |
| regen | regenning | regening |
| outgeneral | outgeneralling | outgeneraling |
| caravan | caravaning | caravanning |
| dude | dudeing | duding |
| unblue | unblueing | unbluing |
| courtmartial | courtmartialing | courtmartialling |
| tablet | tableting | tabletting |
| depetal | depetalling | depetaling |
| soft-pedal | soft-pedalling | soft-pedaling |
| facet | faceting | facetting |
| cupel | cupelling | cupeling |
| special | specialing | specialling |
| redial | redialing | redialling |
| sac | sacking | saccing |
| hubbub | hubbubing | hubbubbing |
| misfocus | misfocusing | misfocussing |
| debias | debiasing | debiassing |
| red-pencil | red-pencilling | red-penciling |
| bedye | bedyeing | bedying |
| ochre | ochring | ochreing |
| dunch | dunching | dunchin |
| parcel out | parceling out | parcelling out |
| phial | phialing | phialling |
| hatchel | hatchelling | hatcheling |
| fellowship | fellowshipping | fellowshiping |
| tharf | thurving | tharving |
| detassel | detasseling | detasselling |
| clicket | clicketting | clicketing |
| telnet | telnetting | telneting |
| hoy | hoying | hoyin |
| subtotal | subtotalling | subtotaling |
| outtravel | outtraveling | outtravelling |
| ribbit | ribbiting | ribbitting |
| mic | micing | mic'ing |
| misfuel | misfuelling | misfueling |
| accoutre | accoutring | accoutreing |
| misroute | misrouting | misrouteing |
| dowel | dowelling | doweling |
| canal | canaling | canalling |
| betassel | betasselling | betasseling |
| repanel | repaneling | repanelling |
| deprogram | deprogramming | deprograming |
| apparel | appareling | apparelling |
| tousel | touselling | touseling |
| mismodel | mismodelling | mismodeling |
| trowel | troweling | trowelling |
| autofocus | autofocusing | autofocussing |
| birdie | birdieing | birdying |
| silage | silaging | silageing |
| disenvowel | disenvowelling | disenvoweling |
| slue | sluing | slueing |
| spue | spuing | spueing |
| larrup | larruping | larrupping |
| miscounsel | miscounselling | miscounseling |
| circumfer | circumfering | circumferring |
| outrival | outrivalling | outrivaling |
| victual | victualing | victualling |
| whemmel | whemmelling | whemmeling |
| DIY | DIYing | DIY-ing |
| curvet | curveting | curvetting |
| sync | synching | syncing |
| enqueue | enqueuing | enqueueing |
| panel | panelling | paneling |
| precounsel | precounseling | precounselling |
| countersignal | countersignalling | countersignaling |
| undevil | undeviling | undevilling |
| zombie out | zombying out | zombieing out |
| jewel | jewelling | jeweling |
| docquet | docqueting | docquetting |
| untrammel | untrammelling | untrammeling |
| overfocus | overfocusing | overfocussing |
| route | routing | routeing |
| shock and awe | shocking and awing | shocking and aweing |
Note: these words have been obtained from Wiktionary and have been classified and improved through automated computer linguistics processes.