declare vs announce

declare and announce both are verbs.

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

As verbs, declare and announce are synonyms defined as:

declare (verb)	announce (verb)
state emphatically and authoritatively	make known; make an announcement
state firmly	foreshadow or presage
make a declaration (of dutiable goods) to a customs official	announce publicly or officially
declare to be	give the names of
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