hurtle vs lunge

hurtle is not a noun while lunge is a noun.

Word	Noun	Adjective	Verb	Adverb
hurtle	No	No	Yes	No
lunge	Yes	No	Yes	No

As verbs, hurtle and lunge are synonyms defined as:

Other synonyms of hurtle include hurl, thrust.

hurtle (noun)	lunge (noun)
	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

hurtle (verb)	lunge (verb)
throw forcefully	make a thrusting forward movement
make a thrusting forward movement
move with or as if with a rushing sound