widow woman vs widow

widow woman and widow both are nouns.

Word	Noun	Adjective	Verb	Adverb
widow woman	Yes	No	No	No
widow	Yes	No	Yes	No

As nouns, widow woman and widow are synonyms defined as:

widow woman and widow: a woman whose husband is dead especially one who has not remarried

widow woman (noun)	widow (noun)
a woman whose husband is dead especially one who has not remarried	a woman whose husband is dead especially one who has not remarried

widow woman (verb)	widow (verb)
	cause to be without a spouse