coolness vs iciness

coolness and iciness both are nouns.

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

As nouns, coolness and iciness are synonyms defined as:

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

coolness (noun)	iciness (noun)
the property of being moderately cold	coldness due to a cold environment
a lack of affection or enthusiasm	a lack of affection or enthusiasm
fearless self-possession in the face of danger
calm and unruffled self-assurance