windshield wiper vs wiper blade

windshield wiper and wiper blade both are nouns.

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

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

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

Other synonyms of windshield wiper include windscreen wiper, wiper.

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