keep vs prepare

keep is a noun but prepare is not a noun.

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

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

Other hypernyms of keep include cook, fix, make, ready.

keep (noun)	prepare (noun)
the main tower within the walls of a medieval castle or fortress
a cell in a jail or prison
the financial means whereby one lives

keep (verb)	prepare (verb)
prevent (food) from rotting	make ready or suitable or equip in advance for a particular purpose or for some use, event, etc
prevent the action or expression of	undergo training or instruction in preparation for a particular role, function, or profession
stick to correctly or closely	create by training and teaching
maintain by writing regular records	arrange by systematic planning and united effort
supply with necessities and support	prepare for eating by applying heat
hold and prevent from leaving	to prepare verbally, either for written or spoken delivery
retain possession of	lead up to and soften by sounding the dissonant note in it as a consonant note in the preceding chord
look after; be the keeper of; have charge of	educate for a future role or function
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