- if
- iff
- when, as, and if
- but if
- eef
- only if
- even if
- to say nothing of
- like as if
- and if
- on account of
- whereof
- thof
- if and only if
- yf
- as if
- an if
Note: these words have been obtained from Wiktionary and have been classified and improved through automated computer linguistics processes.