muscularity vs vitality

muscularity and vitality both are nouns.

Word	Noun	Adjective	Verb	Adverb
muscularity	Yes	No	No	No
vitality	Yes	No	No	No

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

Other hyponyms of muscularity include verve.

muscularity (noun)	vitality (noun)
possessing muscular strength	the property of being able to survive and grow
an imaginative lively style (especially style of writing)	an energetic style
the physiological state of having or consisting of muscle	(biology) a hypothetical force (not physical or chemical) once thought by Henri Bergson to cause the evolution and development of organisms
	a healthy capacity for vigorous activity