abdominousness vs paunchiness

abdominousness and paunchiness both are nouns.

Word	Noun	Adjective	Verb	Adverb
abdominousness	Yes	No	No	No
paunchiness	Yes	No	No	No

As nouns, abdominousness and paunchiness are synonyms defined as:

abdominousness and paunchiness: the bodily property of a protruding belly

abdominousness (noun)	paunchiness (noun)
the bodily property of a protruding belly	the bodily property of a protruding belly