scantiness vs skimpiness

scantiness and skimpiness both are nouns.

Word	Noun	Adjective	Verb	Adverb
scantiness	Yes	No	No	No
skimpiness	Yes	No	No	No

As nouns, scantiness and skimpiness are synonyms defined as:

scantiness and skimpiness: Of a garment, the property of being very small, light, or revealing.

scantiness (noun)	skimpiness (noun)
the quality of being meager	Of a garment, the property of being very small, light, or revealing.
Of a garment, the property of being very small, light, or revealing.