rest vs keep

rest and keep both are nouns.

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

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

Other hyponyms of rest include keep out, sit tight, stay together, stick together, stand, stay fresh, be.

rest (noun)	keep (noun)
freedom from activity (work or strain or responsibility)	the main tower within the walls of a medieval castle or fortress
a support on which things can be put	a cell in a jail or prison
a musical notation indicating a silence of a specified duration	the financial means whereby one lives
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)	keep (verb)
be at rest	prevent (food) from rotting
stay the same; remain in a certain state	prevent the action or expression of
take a short break from one's activities in order to relax	stick to correctly or closely
give a rest to	maintain by writing regular records
not move; be in a resting position	supply with necessities and support
sit, as on a branch	hold and prevent from leaving
rest on or as if on a pillow	retain possession of
put something in a resting position, as for support or steadying	look after; be the keeper of; have charge of
be inactive, refrain from acting	retain rights to
have a place in relation to something else	maintain for use and service
be inherent or innate in	have as a supply
	store or keep customarily
	stop (someone or something) from doing something or being in a certain state
	allow to remain in a place or position or maintain a property or feature
	conform one's action or practice to
	behave as expected during of holidays or rites
	cause to continue in a certain state, position, or activity
	supply with room and board
	maintain in safety from injury, harm, or danger
	fail to spoil or rot
	continue a certain state, condition, or activity
	to rear