precipitancy vs haste

precipitancy and haste both are nouns.

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

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

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

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

precipitancy (noun)	haste (noun)
the quality of happening with headlong haste or without warning	the act of moving hurriedly and in a careless manner
	overly eager speed (and possible carelessness)
	a condition of urgency making it necessary to hurry