chilli vs chilly

chilli and chilly both are nouns.

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

As nouns, chilli and chilly are synonyms defined as:

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

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

chilli (noun)	chilly (noun)
very hot and finely tapering pepper of special pungency	very hot and finely tapering pepper of special pungency

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