puffiness vs ostentatiousness

puffiness and ostentatiousness both are nouns.

Word	Noun	Adjective	Verb	Adverb
puffiness	Yes	No	No	No
ostentatiousness	Yes	No	No	No

As nouns, puffiness and ostentatiousness are synonyms defined as:

puffiness and ostentatiousness: lack of elegance as a consequence of being pompous and puffed up with vanity

Other synonyms of puffiness include inflation, ostentation, pomposity, pompousness, pretentiousness, splashiness.

puffiness (noun)	ostentatiousness (noun)
lack of elegance as a consequence of being pompous and puffed up with vanity	lack of elegance as a consequence of being pompous and puffed up with vanity
an abnormal protuberance or localized enlargement