Are they old-fashioned words? Bookish?
Do you use them?
‘betwixt and between’
‘your work is going amiss today’
‘did I speak amiss?’
‘it would not be amiss for you to make an apology’
‘nothing comes amiss to a hungry stomach’
‘take (/think) amiss’
‘what is amiss?’ (= what happened?)
How do the expressions sound for you?