keep vs shut

keep is a noun but shut is not a noun.

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

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

keep: stop (someone or something) from doing something or being in a certain state
shut: prevent from entering; shut out

keep (noun)	shut (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 (adjective)	shut (adjective)
	not open
	used especially of mouth or eyes

keep (verb)	shut (verb)
prevent (food) from rotting	move so that an opening or passage is obstructed; make shut
prevent the action or expression of	become closed
stick to correctly or closely	prevent from entering; shut out
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