get married vs espouse

get married and espouse both are verbs.

Word	Noun	Adjective	Verb	Adverb
get married	No	No	Yes	No
espouse	No	No	Yes	No

As verbs, get married and espouse are synonyms defined as:

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

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