dance vs dancer

dance and dancer both are nouns.

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

dance (noun)	dancer (noun)
taking a series of rhythmical steps (and movements) in time to music	a performer who dances professionally
an artistic form of nonverbal communication	a person who participates in a social gathering arranged for dancing (as a ball)
a party for social dancing
a party of people assembled for dancing

dance (verb)	dancer (verb)
move in a pattern; usually to musical accompaniment; do or perform a dance
move in a graceful and rhythmical way
skip, leap, or move up and down or sideways