annulment vs vacation

annulment and vacation both are nouns.

Word	Noun	Adjective	Verb	Adverb
annulment	Yes	No	No	No
vacation	Yes	No	Yes	No

As nouns, vacation is a hyponym of annulment; that is, vacation is a word with a more specific, narrower meaning than annulment:

Other hyponyms of annulment include derogation, recall, revocation.

annulment (noun)	vacation (noun)
(law) a formal termination (of a relationship or a judicial proceeding etc)	the act of making something legally void
the act of abrogating; an official or legal cancellation	leisure time away from work devoted to rest or pleasure
the state of being cancelled or annulled

annulment (verb)	vacation (verb)
	spend or take a vacation