pitching vs sway

pitching and sway both are nouns.

Word	Noun	Adjective	Verb	Adverb
pitching	Yes	No	No	No
sway	Yes	No	Yes	No

As nouns, sway is a hyponym of pitching; that is, sway is a word with a more specific, narrower meaning than pitching:

pitching: abrupt up-and-down motion (as caused by a ship or other conveyance)
sway: pitching dangerously to one side

Other hyponyms of pitching include careen, rock, tilt.

pitching (noun)	sway (noun)
(baseball) playing the position of pitcher on a baseball team	pitching dangerously to one side
abrupt up-and-down motion (as caused by a ship or other conveyance)	controlling influence

pitching (verb)	sway (verb)
	move back and forth or sideways
	move or walk in a swinging or swaying manner
	cause to move back and forth
	win approval or support for