warmth vs warmheartedness

warmth and warmheartedness both are nouns.

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

As nouns, warmth and warmheartedness are synonyms defined as:

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