This is the 12337th most frequent Polish word.
mole
"Mole" in Polish means "moth" when referring to a small insect.
In this sentence, 'moli' refers to small insects (moths) that can be found in wardrobes and cause clothing damage.
Mam kilka moli w szafie, muszę się ich pozbyć.
I have some moths in my wardrobe; I need to get rid of them.
Here, 'kreta' is an animal (a mole) that lives underground and is often found in gardens.
Mój kot złapał kreta w ogrodzie.
My cat caught a mole in the garden.
In this context, 'molem' refers to a skin blemish, specifically a mole.