refrigerate vs chill

refrigerate is not a noun while chill is a noun.

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

As verbs, chill is a hypernym of refrigerate; that is, chill is a word with a broader meaning than refrigerate:

Other hypernyms of refrigerate include cool, cool down.

refrigerate (noun)	chill (noun)
	coldness due to a cold environment
	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

refrigerate (verb)	chill (verb)
cool or chill in or as if in a refrigerator	loose heat
preserve by chilling	make cool or cooler
	depress or discourage