steaminess vs vapourousness

steaminess and vapourousness both are nouns.

Word	Noun	Adjective	Verb	Adverb
steaminess	Yes	No	No	No
vapourousness	Yes	No	No	No

As nouns, steaminess and vapourousness are synonyms defined as:

steaminess and vapourousness: cloudiness resulting from haze or mist or vapor

Other synonyms of steaminess include haziness, mistiness, vaporousness.

steaminess (noun)	vapourousness (noun)
cloudiness resulting from haze or mist or vapor	cloudiness resulting from haze or mist or vapor