flex vs angle

flex and angle both are nouns.

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

As verbs, angle is a hyponym of flex; that is, angle is a word with a more specific, narrower meaning than flex:

flex (noun)	angle (noun)
the act of flexing	a biased way of looking at or presenting something
	the space between two lines or planes that intersect; the inclination of one line to another; measured in degrees or radians

flex (verb)	angle (verb)
cause (an object) to assume a crooked or angular form	present with a bias
bend a joint	fish with a hook
form a curve	seek indirectly
contract	to incline or bend from a vertical position
exhibit the strength of	move or proceed at an angle