wed vs espouse

wed is an adjective but espouse is not an adjective.

Word	Noun	Adjective	Verb	Adverb
wed	No	Yes	Yes	No
espouse	No	No	Yes	No

As verbs, wed and espouse are synonyms defined as:

Other synonyms of wed include conjoin, get hitched with, get married, hook up with, marry.

wed (adjective)	espouse (adjective)
having been taken in marriage

wed (verb)	espouse (verb)
take in marriage; married	take up the cause, ideology, practice, method, of someone and use it as one's own
perform a marriage ceremony	choose and follow; as of theories, ideas, policies, strategies or plans
	take in marriage; married