fondness vs warmth

fondness and warmth both are nouns.

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

As nouns, fondness and warmth are synonyms defined as:

fondness and warmth: a quality proceeding from feelings of affection or love

Other synonyms of fondness include affectionateness, lovingness.

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