warmness vs warmth

warmness and warmth both are nouns.

Word	Noun	Adjective	Verb	Adverb
warmness	Yes	No	No	No
warmth	Yes	No	No	No

As nouns, warmness and warmth are synonyms defined as:

warmness (noun)	warmth (noun)
the quality of having a moderate degree of heat	a quality proceeding from feelings of affection or love
a positive feeling of liking	the quality of having a moderate degree of heat
	the trait of being intensely emotional
	the sensation caused by heat energy
	a warmhearted feeling