puffiness vs ostentation

puffiness and ostentation both are nouns.

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

As nouns, puffiness and ostentation are synonyms defined as:

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

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

puffiness (noun)	ostentation (noun)
lack of elegance as a consequence of being pompous and puffed up with vanity	pretentious or showy or vulgar display
an abnormal protuberance or localized enlargement	lack of elegance as a consequence of being pompous and puffed up with vanity
	a gaudy outward display