warmness vs warmheartedness

warmness and warmheartedness both are nouns.

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

As nouns, warmness and warmheartedness are synonyms defined as:

Other synonyms of warmness include affection, affectionateness, fondness, heart, philia, tenderness.

warmness (noun)	warmheartedness (noun)
the quality of having a moderate degree of heat	a positive feeling of liking
a positive feeling of liking	a warmhearted feeling