radio receiver vs tuner

radio receiver and tuner both are nouns.

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

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

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

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

radio receiver (noun)	tuner (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