masculinity vs trait

masculinity and trait both are nouns.

Word	Noun	Adjective	Verb	Adverb
masculinity	Yes	No	No	No
trait	Yes	No	No	No

As nouns, trait is a hypernym of masculinity; that is, trait is a word with a broader meaning than masculinity:

masculinity (noun)	trait (noun)
the properties characteristic of the male sex	a distinguishing feature of your personal nature
the trait of behaving in ways considered typical for men