keep vs reserve

keep and reserve both are nouns.

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

As verbs, reserve is a hypernym of keep; that is, reserve is a word with a broader meaning than keep:

Other hypernyms of keep include book, hold.

keep (noun)	reserve (noun)
the main tower within the walls of a medieval castle or fortress	the trait of being uncommunicative; not volunteering anything more than necessary
a cell in a jail or prison	formality and propriety of manner
the financial means whereby one lives	armed forces that are not on active duty but can be called in an emergency
	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

keep (verb)	reserve (verb)
prevent (food) from rotting	give or assign a resource to a particular person or cause
prevent the action or expression of	obtain or arrange (for oneself) in advance
stick to correctly or closely	hold back or set aside, especially for future use or contingency
maintain by writing regular records	arrange for and reserve (something for someone else) in advance
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