thinness vs exiguity

thinness and exiguity both are nouns.

Word	Noun	Adjective	Verb	Adverb
thinness	Yes	No	No	No
exiguity	Yes	No	No	No

As nouns, exiguity is a hypernym of thinness; that is, exiguity is a word with a broader meaning than thinness:

Other hypernyms of thinness include leanness, meagerness, meagreness, poorness, scantiness, scantness.

As nouns, exiguity is a hypernym of thinness; that is, exiguity is a word with a broader meaning than thinness:

Other hypernyms of thinness include leanness, meagerness, meagreness, poorness, scantiness, scantness.

thinness (noun)	exiguity (noun)
the property of having little body fat	the quality of being meager
relatively small dimension through an object as opposed to its length or width
a consistency of low viscosity
the property of being very narrow or thin
the property of being scanty or scattered; lacking denseness
The property of lacking substance or strength.