muscle vs muscularity

muscle and muscularity both are nouns.

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

As nouns, muscle and muscularity are synonyms defined as:

Other synonyms of muscle include brawn, brawniness, heftiness, sinew.

muscle (noun)	muscularity (noun)
possessing muscular strength	possessing muscular strength
authority or power or force (especially when used in a coercive way)	an imaginative lively style (especially style of writing)
one of the contractile organs of the body	the physiological state of having or consisting of muscle
animal tissue consisting predominantly of contractile cells
a bully employed as a thug or bodyguard

muscle (verb)	muscularity (verb)
make one's way by force