fondness vs fond regard

fondness and fond regard both are nouns.

Word	Noun	Adjective	Verb	Adverb
fondness	Yes	No	No	No
fond regard	Yes	No	No	No

As nouns, fond regard is a hyponym of fondness; that is, fond regard is a word with a more specific, narrower meaning than fondness:

Other hyponyms of fondness include attachment, protectiveness, regard, respect, soft spot.

fondness (noun)	fond regard (noun)
a quality proceeding from feelings of affection or love	a feeling of affection for a person or an institution
a positive feeling of liking
a predisposition to like something