chile vs chilli

chile and chilli both are nouns.

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

As nouns, chile and chilli are synonyms defined as:

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

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

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