spouse equivalent vs doer

spouse equivalent and doer both are nouns.

Word	Noun	Adjective	Verb	Adverb
spouse equivalent	Yes	No	No	No
doer	Yes	No	No	No

As nouns, doer is a hypernym of spouse equivalent; that is, doer is a word with a broader meaning than spouse equivalent:

spouse equivalent: a person (not necessarily a spouse) with whom you cohabit and share a long-term sexual relationship
doer: a person who acts and gets things done

Other hypernyms of spouse equivalent include actor, worker.

spouse equivalent (noun)	doer (noun)
a person (not necessarily a spouse) with whom you cohabit and share a long-term sexual relationship	a person who acts and gets things done