tool
Opts
The answer is "loot."
The 4 letter -ool rhymes are fool, pool, and tool. Depending on the dialect, other 4-letter rhymes can be duel and rule.
rake
adze
Envy Is A 4-Letter Word
An adze
4 letter word for drum is "Dhol".
4 letter word for final
Salt is a 4 letter word for seasoning.
this