keep vs continue

keep is a noun but continue is not a noun.

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

As verbs, keep and continue are synonyms defined as:

keep and continue: allow to remain in a place or position or maintain a property or feature

Other synonyms of keep include keep on, retain.

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

As verbs, keep and continue are synonyms defined as:

Other synonyms of keep include go along, go on, proceed.

keep (noun)	continue (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)	continue (verb)
prevent (food) from rotting	exist over a prolonged period of time
prevent the action or expression of	continue talking
stick to correctly or closely	move ahead; travel onward in time or space
maintain by writing regular records	allow to remain in a place or position or maintain a property or feature
supply with necessities and support	keep or maintain in unaltered condition; cause to remain or last
hold and prevent from leaving	continue a certain state, condition, or activity
retain possession of	span an interval of distance, space or time
look after; be the keeper of; have charge of	continue in a place, position, or situation
retain rights to	continue after an interruption
maintain for use and service	do something repeatedly and showing no intention to stop
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