This is the 171st most frequent Russian word.
второй
"Second" (ordinal number).
Ordinal number indicating a sequence or position.
Я живу на втором этаже.
I live on the second floor.
Adverbial use indicating a repetition of an action.
Сегодня я не пойду в кино второй раз.
Today I won't go to the cinema a second time.
Ordinal number indicating rank or position in a competition.