This is the 10220th most frequent Polish word.
butelka
Bottle.
The word 'butelka' is used as a singular noun to refer to a container for liquids.
Na stole stoi butelka wody.
There is a bottle of water on the table.
The word 'butelki' is the plural form and refers to multiple containers for liquids.
Butelki po winie zostawiłem przy drzwiach.
I left the wine bottles by the door.
The word 'butelki' is used as a singular noun in the genitive case indicating possession or required amount.