Learn how to say Chilli correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word chilli:
noun (plural chillies, US chiles or chilies)
a small hot-tasting pod of a variety of capsicum, used in sauces, relishes, and spice powders. There are various forms with pods of differing size, colour, and strength of flavour.
Capsicum annuum variety annuum, ‘longum’ group or variety longum
short for chilli powder.
short for chilli con carne.
early 17th century: from Spanish chile, from Nahuatl chilli