Here are some possible words:
admit
afrit
audit
await
befit
bruit
cubit
davit
debit
demit
digit
dixit
droit
fruit
fugit
habit
krait
legit
licit
limit
merit
orbit
petit
pewit
pipit
plait
polit
posit
quoit
refit
remit
split
tacit
trait
unfit
unlit
visit
vomit
five (5) letter word ends with Q: tranq. umiaq. qepiq.
Hindu is a five letter word ending in u
Queer is a five letter word.
ennui
scuba
One five letter word that ends in tow is artow.Another word is kotow.
bayou
Throw
Five
Ducat
gesso.
codex