precipitateness vs suddenness

precipitateness and suddenness both are nouns.

Word	Noun	Adjective	Verb	Adverb
precipitateness	Yes	No	No	No
suddenness	Yes	No	No	No

As nouns, precipitateness and suddenness are synonyms defined as:

precipitateness and suddenness: the quality of happening with headlong haste or without warning

Other synonyms of precipitateness include abruptness, precipitance, precipitancy, precipitousness.

precipitateness (noun)	suddenness (noun)
the quality of happening with headlong haste or without warning	the quality of happening with headlong haste or without warning