iciness vs chill

iciness and chill both are nouns.

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

As nouns, iciness and chill are synonyms defined as:

Other synonyms of iciness include gelidity.

iciness (noun)	chill (noun)
coldness due to a cold environment	coldness due to a cold environment
a lack of affection or enthusiasm	a sudden numbing dread
	an almost pleasurable sensation of fright
	a sensation of cold that often marks the start of an infection and the development of a fever