keep vs commemorate

keep is a noun but commemorate is not a noun.

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

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

Other hyponyms of keep include mark, mourn, solemnise, solemnize.

keep (noun)	commemorate (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)	commemorate (verb)
prevent (food) from rotting	call to remembrance; keep alive the memory of someone or something, as in a ceremony
prevent the action or expression of	be or provide a memorial to a person or an event
stick to correctly or closely	celebrate by some ceremony or observation
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