This is the 1184th most frequent Russian word.
голове
The word "голове" is the dative or prepositional case of "голова," which means "head" in English.
'голове' is used to refer to the location 'in the head' and express mental aspects.
У него в голове много идей.
He has many ideas in his head.
'головой' here emphasizes individuality and personal thought processes, impacting decision-making.
Думай не только своей головой.
Think not only with your own head.
'головы' here directly refers to the physical aspect of the head being the size in question.