curtailment vs shortness

curtailment and shortness both are nouns.

Word	Noun	Adjective	Verb	Adverb
curtailment	Yes	No	No	No
shortness	Yes	No	No	No

As nouns, shortness is a hypernym of curtailment; that is, shortness is a word with a broader meaning than curtailment:

curtailment (noun)	shortness (noun)
the act of withholding or withdrawing some book or writing from publication or circulation	an abrupt discourteous manner
the reduction of expenditures in order to become financially stable	the property of being shorter than average stature
the temporal property of being cut short	the property of being of short temporal extent
	the property of being of short spatial extent
	the property of being truncated or short
	the condition of being short of something