reserve vs keep

reserve and keep both are nouns.

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

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

Other hyponyms of reserve include hold open, keep open, save.

reserve (noun)	keep (noun)
the trait of being uncommunicative; not volunteering anything more than necessary	the main tower within the walls of a medieval castle or fortress
formality and propriety of manner	a cell in a jail or prison
armed forces that are not on active duty but can be called in an emergency	the financial means whereby one lives
a district that is reserved for particular purpose
an athlete who plays only when a starter on the team is replaced
something kept back or saved for future use or a special purpose
(medicine) potential capacity to respond in order to maintain vital functions

reserve (verb)	keep (verb)
give or assign a resource to a particular person or cause	prevent (food) from rotting
obtain or arrange (for oneself) in advance	prevent the action or expression of
hold back or set aside, especially for future use or contingency	stick to correctly or closely
arrange for and reserve (something for someone else) in advance	maintain by writing regular records
	supply with necessities and support
	hold and prevent from leaving
	retain possession of
	look after; be the keeper of; have charge of
	retain rights to
	maintain for use and service
	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