swivel vs pivot

swivel and pivot both are nouns.

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

As verbs, swivel and pivot are synonyms defined as:

swivel (noun)	pivot (noun)
a coupling (as in a chain) that has one end that turns on a headed pin	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

swivel (verb)	pivot (verb)
turn on a pivot	turn on a pivot