keep vs hold over

keep is a noun but hold over is not a noun.

Word	Noun	Adjective	Verb	Adverb
keep	Yes	No	Yes	No
hold over	No	No	Yes	No

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

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

keep (noun)	hold over (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)	hold over (verb)
prevent (food) from rotting	intimidate somebody (with a threat)
prevent the action or expression of	hold over goods to be sold for the next season
stick to correctly or closely	keep in a position or state from an earlier period of time
maintain by writing regular records	continue a term of office past the normal period of time
supply with necessities and support	hold back to a later time
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