wiper blade vs windshield wiper

wiper blade and windshield wiper both are nouns.

Word	Noun	Adjective	Verb	Adverb
wiper blade	Yes	No	No	No
windshield wiper	Yes	No	No	No

As nouns, wiper blade and windshield wiper are synonyms defined as:

wiper blade and windshield wiper: a mechanical device that cleans the windshield

Other synonyms of wiper blade include windscreen wiper, wiper.

wiper blade (noun)	windshield wiper (noun)
a mechanical device that cleans the windshield	a mechanical device that cleans the windshield