BEAT? WHIP?
stir
Sear, stir, spur, slur.
move
Either you need a word that's not English or the starting letter is wrong. There are many words for prison, but the ones with four letters is jail, brig, or the slang stir.
bind
rise
re-up
Grew...hello!
Fill
Envy Is A 4-Letter Word
Salt is a 4 letter word for seasoning.
4 letter word for final