indent vs flex

indent and flex both are nouns.

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

As verbs, flex is a hypernym of indent; that is, flex is a word with a broader meaning than indent:

Other hypernyms of indent include bend, deform, turn, twist.

indent (noun)	flex (noun)
an order for goods to be exported or imported	the act of flexing
the space left between the margin and the start of an indented line

indent (verb)	flex (verb)
bind by or as if by indentures, as of an apprentice or servant	cause (an object) to assume a crooked or angular form
make a depression into	bend a joint
cut or tear along an irregular line so that the parts can later be matched for authentication	form a curve
notch the edge of or make jagged	contract
set in from the margin	exhibit the strength of