precipitousness vs haste

precipitousness and haste both are nouns.

Word	Noun	Adjective	Verb	Adverb
precipitousness	Yes	No	No	No
haste	Yes	No	No	No

As nouns, haste is a hypernym of precipitousness; that is, haste is a word with a broader meaning than precipitousness:

precipitousness: the quality of happening with headlong haste or without warning
haste: overly eager speed (and possible carelessness)

Other hypernyms of precipitousness include hastiness, hurriedness, hurry, precipitation.

precipitousness (noun)	haste (noun)
the property possessed by a slope that is very steep	the act of moving hurriedly and in a careless manner
the quality of happening with headlong haste or without warning	overly eager speed (and possible carelessness)
	a condition of urgency making it necessary to hurry