pirouette vs pivot

pirouette and pivot both are nouns.

Word	Noun	Adjective	Verb	Adverb
pirouette	Yes	No	Yes	No
pivot	Yes	No	Yes	No

As verbs, pivot is a hypernym of pirouette; that is, pivot is a word with a broader meaning than pirouette:

Other hypernyms of pirouette include swivel.

pirouette (noun)	pivot (noun)
(ballet) a rapid spin of the body (especially on the toes as in ballet)	the act of turning on (or as if on) a pivot
	axis consisting of a short shaft that supports something that turns
	the person in a rank around whom the others wheel and maneuver

pirouette (verb)	pivot (verb)
do a pirouette, usually as part of a dance	turn on a pivot