lurch vs sway

lurch and sway both are nouns.

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

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

Other hyponyms of lurch include careen, rock, tilt.

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

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