party vs celebrate

party is a noun but celebrate is not a noun.

Word	Noun	Adjective	Verb	Adverb
party	Yes	No	Yes	No
celebrate	No	No	Yes	No

As verbs, celebrate is a hypernym of party; that is, celebrate is a word with a broader meaning than party:

Other hypernyms of party include fete.

party (noun)	celebrate (noun)
an occasion on which people can assemble for social interaction and entertainment
a gathering of people for pleasure
an organization to gain political power
a band of people associated temporarily in some activity
a person involved in legal proceedings

party (verb)	celebrate (verb)
have or participate in a party	have a celebration
	behave as expected during of holidays or rites
	assign great social importance to