lowness vs shortness

lowness and shortness both are nouns.

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

As nouns, shortness is a hyponym of lowness; that is, shortness is a word with a more specific, narrower meaning than lowness:

Other hyponyms of lowness include squatness, stubbiness, truncation.

lowness (noun)	shortness (noun)
the quality of being low; lacking height	an abrupt discourteous manner
a low or small degree of any quality (amount or force or temperature etc.)	the property of being shorter than average stature
a feeling of low spirits	the property of being of short temporal extent
a position of inferior status; low in station or rank or fortune or estimation	the property of being of short spatial extent
	the property of being truncated or short
	the condition of being short of something