rest vs pause

rest and pause both are nouns.

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

As nouns, pause is a hypernym of rest; that is, pause is a word with a broader meaning than rest:

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

Other hypernyms of rest include break, intermission, interruption, suspension.

As verbs, pause is a hypernym of rest; that is, pause is a word with a broader meaning than rest:

Other hypernyms of rest include break, intermit.

rest (noun)	pause (noun)
freedom from activity (work or strain or responsibility)	temporary inactivity
a support on which things can be put	a time interval during which there is a temporary cessation of something
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

rest (verb)	pause (verb)
be at rest	cease an action temporarily
stay the same; remain in a certain state	interrupt temporarily an activity before continuing
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