warmheartedness vs fondness

warmheartedness and fondness both are nouns.

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

As nouns, warmheartedness and fondness are synonyms defined as:

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

warmheartedness (noun)	fondness (noun)
a positive feeling of liking	a quality proceeding from feelings of affection or love
a warmhearted feeling	a positive feeling of liking
	a predisposition to like something