sway vs lurch

sway and lurch both are nouns.

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

As nouns, lurch is a hypernym of sway; that is, lurch is a word with a broader meaning than sway:

Other hypernyms of sway include pitch, pitching.

sway (noun)	lurch (noun)
pitching dangerously to one side	an unsteady uneven gait
controlling influence	the act of moving forward suddenly
	abrupt up-and-down motion (as caused by a ship or other conveyance)
	a decisive defeat in a game (especially in cribbage)

sway (verb)	lurch (verb)
move back and forth or sideways	defeat by a lurch
move or walk in a swinging or swaying manner	move abruptly
cause to move back and forth	move slowly and unsteadily
win approval or support for	walk as if unable to control one's movements
	loiter about, with no apparent aim