telephone receiver vs telephone set

telephone receiver and telephone set both are nouns.

Word	Noun	Adjective	Verb	Adverb
telephone receiver	Yes	No	No	No
telephone set	Yes	No	No	No

telephone receiver (noun)	telephone set (noun)
earphone that converts electrical signals into sounds	electronic equipment that converts sound into electrical signals that can be transmitted over distances and then converts received signals back into sounds