pause vs rest

pause and rest both are nouns.

Word	Noun	Adjective	Verb	Adverb
pause	Yes	No	Yes	No
rest	Yes	No	Yes	No

As nouns, rest is a hyponym of pause; that is, rest is a word with a more specific, narrower meaning than pause:

pause: a time interval during which there is a temporary cessation of something
rest: a pause for relaxation

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

Other hyponyms of pause include breathe, catch one's breath, take a breather, take five, take ten.

pause (noun)	rest (noun)
temporary inactivity	freedom from activity (work or strain or responsibility)
a time interval during which there is a temporary cessation of something	a support on which things can be put
	a musical notation indicating a silence of a specified duration
	something left after other parts have been taken away
	a state of inaction
	euphemisms for death (based on an analogy between lying in a bed and in a tomb)
	a pause for relaxation

pause (verb)	rest (verb)
cease an action temporarily	be at rest
interrupt temporarily an activity before continuing	stay the same; remain in a certain state
	take a short break from one's activities in order to relax
	give a rest to
	not move; be in a resting position
	sit, as on a branch
	rest on or as if on a pillow
	put something in a resting position, as for support or steadying
	be inactive, refrain from acting
	have a place in relation to something else
	be inherent or innate in