gastrocnemius vs sura

gastrocnemius and sura both are nouns.

Word	Noun	Adjective	Verb	Adverb
gastrocnemius	Yes	No	No	No
sura	Yes	No	No	No

gastrocnemius (noun)	sura (noun)
the muscle in the back part of the leg that forms the greater part of the calf; responsible for the plantar flexion of the foot	the muscular back part of the shank
	one of the sections (or chapters) in the Koran