- while
- where
- since
- until
- after
- afore
- 'cept
- altho
- whyle
- sence
- other
- sithe
- quhar
- quher
- becos
- becoz
- bothe
- beway
- buuut
- as if
- twell
- an if
- iffen
- bolth
- slash
Note: these words have been obtained from Wiktionary and have been classified and improved through automated computer linguistics processes.