stodginess vs stuffiness

stodginess and stuffiness both are nouns.

Word	Noun	Adjective	Verb	Adverb
stodginess	Yes	No	No	No
stuffiness	Yes	No	No	No

As nouns, stodginess and stuffiness are synonyms defined as:

stodginess (noun)	stuffiness (noun)
dull and pompous gravity	dull and pompous gravity
	the quality of being close and poorly ventilated
	state of obstruction or stoppage or air in the nose or throat