windshield wiper vs windscreen wiper

windshield wiper and windscreen wiper both are nouns.

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

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

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

Other synonyms of windshield wiper include wiper, wiper blade.

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