This is the 17827th most frequent Polish word.
zęba
"Zęba" means "tooth" (genitive singular form) in English.
In this sentence, 'zęba' is used in the accusative case to refer to 'tooth,' indicating possession or connection to the noun 'ból' (pain).
Wczoraj wieczorem poczułem ból zęba.
Last evening, I felt a toothache.
Here, 'zęba' is again in the accusative case, following the verb 'wyrwać' (to extract), signifying the object of this action.
Dentysta powiedział, że muszę wyrwać zęba.
The dentist said that I need to extract a tooth.
In this usage, 'zęba' is in the genitive case, showing a partitive relationship where a portion or piece of 'tooth' is mentioned.