hump vs flex

hump and flex both are nouns.

Word	Noun	Adjective	Verb	Adverb
hump	Yes	No	Yes	No
flex	Yes	No	Yes	No

hump (noun)	flex (noun)
something that bulges out or is protuberant or projects from its surroundings	the act of flexing

hump (verb)	flex (verb)
have sexual intercourse with	cause (an object) to assume a crooked or angular form
round one's back by bending forward and drawing the shoulders forward	bend a joint
	form a curve
	contract
	exhibit the strength of