This is the 34th most frequent Finnish word.
vuotta
"Vuotta" is the partitive singular form of "vuosi," meaning "year" in English.
The word 'vuotta' is used in the partitive case to indicate the duration of time ('five years').
Olen asunut tässä kaupungissa viisi vuotta.
I have lived in this city for five years.
'Vuotta' is used in its partitive plural form indicating an unspecified duration ('many years').
Hän opetteli pianonsoittoa monta vuotta.
She learned to play the piano for many years.
The word 'vuotta' here also takes the partitive form; it connects the age of a person with the numeral modifying it.