hoofer vs professional dancer

hoofer and professional dancer both are nouns.

Word	Noun	Adjective	Verb	Adverb
hoofer	Yes	No	No	No
professional dancer	Yes	No	No	No

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

Other hypernyms of hoofer include dancer, terpsichorean.

hoofer (noun)	professional dancer (noun)
a professional dancer	a performer who dances professionally