This is the 920th most frequent Russian word.
науки
The Russian word "науки" translates to "sciences" in English.
The word 'науки' is used in its nominative case plural form to mean 'sciences', denoting the plural subject of the sentence.
Науки играют важную роль в нашем понимании мира.
Sciences play an important role in our understanding of the world.
The word 'науки' appears in the genitive case singular form to mean 'of science', indicating the subject of interest.
Я интересуюсь различными направлениями науки.
I am interested in various directions of science.
'Наукам' here is used in the dative case plural to indicate the indirect object of the sentence, referring to sciences.