masculinity vs machismo

masculinity and machismo both are nouns.

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

As nouns, machismo is a hyponym of masculinity; that is, machismo is a word with a more specific, narrower meaning than masculinity:

Other hyponyms of masculinity include manfulness, manliness, virility, boyishness, hoydenism, tomboyishness.

masculinity (noun)	machismo (noun)
the properties characteristic of the male sex	exaggerated masculinity
the trait of behaving in ways considered typical for men