tapper vs tap dancer

tapper and tap dancer both are nouns.

Word	Noun	Adjective	Verb	Adverb
tapper	Yes	No	No	No
tap dancer	Yes	No	No	No

As nouns, tapper and tap dancer are synonyms defined as:

tapper and tap dancer: a dancer who sounds out rhythms by using metal taps on the toes and heels of the shoes

tapper (noun)	tap dancer (noun)
someone who wiretaps a telephone or telegraph wire	a dancer who sounds out rhythms by using metal taps on the toes and heels of the shoes
a tavern keeper who taps kegs or casks
a worker who uses a tap to cut screw threads
a dancer who sounds out rhythms by using metal taps on the toes and heels of the shoes
a person who strikes a surface lightly and usually repeatedly