tuner vs radio set

tuner and radio set both are nouns.

Word	Noun	Adjective	Verb	Adverb
tuner	Yes	No	No	No
radio set	Yes	No	No	No

As nouns, tuner and radio set are synonyms defined as:

tuner and radio set: an electronic receiver that detects and demodulates and amplifies transmitted signals

Other synonyms of tuner include radio, radio receiver, receiving set, wireless.

tuner (noun)	radio set (noun)
an electronic receiver that detects and demodulates and amplifies transmitted signals	an electronic receiver that detects and demodulates and amplifies transmitted signals
someone who tunes a musical instrument