frigidness vs chill

frigidness and chill both are nouns.

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

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

Other hyponyms of frigidness include gelidity, iciness, chilliness, coolness, nip, frostiness, cool.

frigidness (noun)	chill (noun)
a lack of affection or enthusiasm	coldness due to a cold environment
sexual unresponsiveness (especially of women) and inability to achieve orgasm during intercourse	a sudden numbing dread
the absence of heat	an almost pleasurable sensation of fright
	a sensation of cold that often marks the start of an infection and the development of a fever