misadventure vs crash

misadventure and crash both are nouns.

Word	Noun	Adjective	Verb	Adverb
misadventure	Yes	No	No	No
crash	Yes	No	Yes	No

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

misadventure: an instance of misfortune
crash: (computer science) an event that causes a computer system to become inoperative

Other hyponyms of misadventure include accident, near miss, derailment, ground loop, puncture, slip, trip.

misadventure (noun)	crash (noun)
an instance of misfortune	the act of colliding with something
	a serious accident (usually involving one or more vehicles)
	a loud resonant repeating noise
	a sudden large decline of business or the prices of stocks (especially one that causes additional failures)
	(computer science) an event that causes a computer system to become inoperative

misadventure (verb)	crash (verb)
	sleep in a convenient place
	stop operating
	undergo a sudden and severe downturn
	undergo damage or destruction on impact
	break violently or noisily; smash
	cause to crash
	hurl or thrust violently
	enter uninvited; informal
	move with, or as if with, a crashing noise
	fall or come down violently
	move violently as through a barrier
	make a sudden loud sound
	occupy, usually uninvited