doom vs declare

doom is a noun but declare is not a noun.

Word	Noun	Adjective	Verb	Adverb
doom	Yes	No	Yes	No
declare	No	No	Yes	No

As verbs, declare is a hypernym of doom; that is, declare is a word with a broader meaning than doom:

doom (noun)	declare (noun)
an unpleasant or disastrous destiny

doom (verb)	declare (verb)
pronounce a sentence on (somebody) in a court of law	state emphatically and authoritatively
decree or designate beforehand	state firmly
make certain of the failure or destruction of	make a declaration (of dutiable goods) to a customs official
	declare to be
	announce publicly or officially
	proclaim one's support, sympathy, or opinion for or against
	designate (a trump suit or no-trump) with the final bid of a hand
	authorize payments of