espouse vs remarry

espouse and remarry both are verbs.

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

As verbs, remarry is a hyponym of espouse; that is, remarry is a word with a more specific, narrower meaning than espouse:

Other hyponyms of espouse include inmarry, mismarry, wive, wive, intermarry.

espouse (verb)	remarry (verb)
take up the cause, ideology, practice, method, of someone and use it as one's own	marry, not for the first time
choose and follow; as of theories, ideas, policies, strategies or plans
take in marriage; married