abruptness vs hurriedness

abruptness and hurriedness both are nouns.

Word	Noun	Adjective	Verb	Adverb
abruptness	Yes	No	No	No
hurriedness	Yes	No	No	No

As nouns, hurriedness is a hypernym of abruptness; that is, hurriedness is a word with a broader meaning than abruptness:

Other hypernyms of abruptness include haste, hastiness, hurry, precipitation.

abruptness (noun)	hurriedness (noun)
the quality of happening with headlong haste or without warning	overly eager speed (and possible carelessness)
the property possessed by a slope that is very steep
an abrupt discourteous manner