iciness vs coldness

iciness and coldness both are nouns.

Word	Noun	Adjective	Verb	Adverb
iciness	Yes	No	No	No
coldness	Yes	No	No	No

As nouns, coldness is a hypernym of iciness; that is, coldness is a word with a broader meaning than iciness:

Other hypernyms of iciness include cold, frigidity, frigidness, low temperature.

As nouns, iciness and coldness are synonyms defined as:

Other synonyms of iciness include chilliness, coolness, frigidity, frigidness.

iciness (noun)	coldness (noun)
coldness due to a cold environment	the absence of heat
a lack of affection or enthusiasm	a lack of affection or enthusiasm
	the sensation produced by low temperatures