curtness vs shortness

curtness and shortness both are nouns.

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

As nouns, curtness and shortness are synonyms defined as:

Other synonyms of curtness include abruptness, brusqueness, gruffness.

curtness (noun)	shortness (noun)
an abrupt discourteous manner	an abrupt discourteous manner
	the property of being shorter than average stature
	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