wed vs intermarry

wed is an adjective but intermarry is not an adjective.

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

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

Other hyponyms of wed include inmarry, mismarry, wive, wive, remarry.

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

wed (verb)	intermarry (verb)
take in marriage; married	marry within the same ethnic, social, or family group
perform a marriage ceremony