clock radio vs tuner

clock radio and tuner both are nouns.

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

As nouns, tuner is a hypernym of clock radio; that is, tuner is a word with a broader meaning than clock radio:

clock radio: a radio that includes a clock that can be set to turn it on automatically
tuner: an electronic receiver that detects and demodulates and amplifies transmitted signals

Other hypernyms of clock radio include radio, radio receiver, radio set, receiving set, wireless.

clock radio (noun)	tuner (noun)
a radio that includes a clock that can be set to turn it on automatically	an electronic receiver that detects and demodulates and amplifies transmitted signals
	someone who tunes a musical instrument