warmth vs fondness

warmth and fondness both are nouns.

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

As nouns, warmth and fondness are synonyms defined as:

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

Other synonyms of warmth include affectionateness, lovingness.

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