fulcrum vs pivot

fulcrum and pivot both are nouns.

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

As nouns, pivot is a hypernym of fulcrum; that is, pivot is a word with a broader meaning than fulcrum:

Other hypernyms of fulcrum include pin.

fulcrum (noun)	pivot (noun)
the pivot about which a lever turns	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

fulcrum (verb)	pivot (verb)
	turn on a pivot