windscreen wiper vs wiper

windscreen wiper and wiper both are nouns.

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

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

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

Other synonyms of windscreen wiper include windshield wiper, wiper blade.

windscreen wiper (noun)	wiper (noun)
a mechanical device that cleans the windshield	a mechanical device that cleans the windshield
	contact consisting of a conducting arm that rotates over a series of fixed contacts and comes to rest on an outlet
	a worker who wipes