This is the 6427th most frequent Russian word.
экзамена
The term "экзамена" is the genitive singular form or the accusative plural form of the noun "экзамен," which translates to "exam" or "examination" in English.
Here, 'экзамен' is used in the singular nominative case to indicate the subject of the sentence.
У меня завтра экзамен по математике.
I have a math exam tomorrow.
In this sentence, 'экзамена' is used in the singular genitive case, typically employed to indicate time or an event following the exam.
После экзамена мы решили отпраздновать.
After the exam, we decided to celebrate.
Here, 'экзамену' is used in the singular dative case to denote the purpose of preparation.