keep vs deny

keep is a noun but deny is not a noun.

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

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

keep (noun)	deny (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)	deny (verb)
prevent (food) from rotting	declare untrue; contradict
prevent the action or expression of	refuse to accept or believe
stick to correctly or closely	refuse to recognize or acknowledge
maintain by writing regular records	deny formally (an allegation of fact by the opposing party) in a legal suit
supply with necessities and support	refuse to let have
hold and prevent from leaving	refuse to grant, as of a petition or request
retain possession of	deny oneself (something); restrain, especially from indulging in some pleasure
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