As nouns the difference between masculinity and boyness
is that masculinity is the degree or property of being masculine or manly; manliness while boyness is (nonstandard) the state or condition of being a boy; masculinity, boyhood.
masculinity
English
Noun
(en-noun)
The degree or property of being masculine or manly; manliness
Derived terms
* hypermasculinity
boyness
English
Noun
(-)
(nonstandard) The state or condition of being a boy; masculinity, boyhood.