muscular structure vs muscle

muscular structure and muscle both are nouns.

Word	Noun	Adjective	Verb	Adverb
muscular structure	Yes	No	No	No
muscle	Yes	No	Yes	No

muscular structure (noun)	muscle (noun)
the muscular system of an organism	possessing muscular strength
	authority or power or force (especially when used in a coercive way)
	one of the contractile organs of the body
	animal tissue consisting predominantly of contractile cells
	a bully employed as a thug or bodyguard

muscular structure (verb)	muscle (verb)
	make one's way by force