knife thrust vs lunge

knife thrust and lunge both are nouns.

Word	Noun	Adjective	Verb	Adverb
knife thrust	Yes	No	No	No
lunge	Yes	No	Yes	No

As nouns, lunge is a hyponym of knife thrust; that is, lunge is a word with a more specific, narrower meaning than knife thrust:

knife thrust: a strong blow with a knife or other sharp pointed instrument
lunge: (fencing) an attacking thrust made with one foot forward and the back leg straight and with the sword arm outstretched forward

Other hyponyms of knife thrust include passado, straight thrust, remise.

knife thrust (noun)	lunge (noun)
a strong blow with a knife or other sharp pointed instrument	the act of moving forward suddenly
	(fencing) an attacking thrust made with one foot forward and the back leg straight and with the sword arm outstretched forward

knife thrust (verb)	lunge (verb)
	make a thrusting forward movement