chili vs chilly

chili and chilly both are nouns.

Word	Noun	Adjective	Verb	Adverb
chili	Yes	No	No	No
chilly	Yes	Yes	No	No

As nouns, chili and chilly are synonyms defined as:

chili and chilly: very hot and finely tapering pepper of special pungency

Other synonyms of chili include chile, chili pepper, chilli.

chili (noun)	chilly (noun)
very hot and finely tapering pepper of special pungency	very hot and finely tapering pepper of special pungency
ground beef and chili peppers or chili powder often with tomatoes and kidney beans

chili (adjective)	chilly (adjective)
	appreciably or disagreeably cold
	not characterized by emotion
	lacking warmth of feeling