precipitousness vs slope

precipitousness and slope both are nouns.

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

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

precipitousness: the property possessed by a slope that is very steep
slope: the property possessed by a line or surface that departs from the horizontal

Other hypernyms of precipitousness include gradient.

precipitousness (noun)	slope (noun)
the property possessed by a slope that is very steep	the property possessed by a line or surface that departs from the horizontal
the quality of happening with headlong haste or without warning	an elevated geological formation

precipitousness (verb)	slope (verb)
	be at an angle