Syndeboy

 is a term for being a Boy, but feeling strongly associated with Femininity.

Etymology
"Synde-" originates from the Greek word "sýndesi", which means connection.

Definitions

 * Syndegender: were you know you’re a certain gender, but you have a deep connection to another (ex; being a boy, but feeling strongly associated with femininity) - Love-All-Around1223, 2018

Supersets

 * Syndegender