This is the 12163rd most frequent Polish word.
marchewki
"Marchewki" means "carrots" in English.
The word 'marchewki' here is in the nominative plural form, used as the subject of the sentence referring to carrots.
Marchewki są bardzo zdrowe.
Carrots are very healthy.
The word 'marchewek' here is used in genitive plural form, referring to a quantity of carrots.
Mam w domu dużo marchewek.
I have a lot of carrots at home.
The word 'marchewek' here is used in genitive plural form, indicating a partitive meaning referring to some of the carrots.