clog dancer vs dancer

clog dancer and dancer both are nouns.

Word	Noun	Adjective	Verb	Adverb
clog dancer	Yes	No	No	No
dancer	Yes	No	No	No

As nouns, dancer is a hypernym of clog dancer; that is, dancer is a word with a broader meaning than clog dancer:

clog dancer: someone who does clog dancing
dancer: a person who participates in a social gathering arranged for dancing (as a ball)

Other hypernyms of clog dancer include social dancer.

clog dancer (noun)	dancer (noun)
someone who does clog dancing	a performer who dances professionally
	a person who participates in a social gathering arranged for dancing (as a ball)