tutu, guru, unum
prig
Yes, the word "cock," meaning a male bird, especially a rooster, is a four-letter word with two c's in it.
eels
Floe! It took us a while to find this word too!
Two options are tarp and tart.
Two such words are hero and zero.
Envy Is A 4-Letter Word
Life
Salt is a 4 letter word for seasoning.
4 letter word for drum is "Dhol".
4 letter word for final
Two options:HadjHajj