warmness vs regard

warmness and regard both are nouns.

Word	Noun	Adjective	Verb	Adverb
warmness	Yes	No	No	No
regard	Yes	No	Yes	No

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

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

warmness (noun)	regard (noun)
the quality of having a moderate degree of heat	a long fixed look
a positive feeling of liking	(usually preceded by `in') a detail or point
	paying particular notice (as to children or helpless people)
	an attitude of admiration or esteem
	(usually plural) a polite expression of desire for someone's welfare
	a feeling of friendship and esteem
	the condition of being honored (esteemed or respected or well regarded)

warmness (verb)	regard (verb)
	deem to be
	look at attentively
	connect closely and often incriminatingly