What's the noun for chilli? Here's the word you're looking for.
chili
The pungent, spicy fresh or dried fruit of any of several cultivated varieties of capsicum peppers, used especially to add heat, or as a flavouring in cooking; associated with Mexican, Tex-Mex, and Indian cuisine.
A dish made with this fruit and other ingredients, such as beans and beef; chili con carne.
“There are enormous bags of scarlet chilis, sacks of tobacco and piles of wicker baskets.”
“I pile on some faintly garlicked guac and make short work of a yummy ground-beef enchilada, although I know the enchilada gravy could taste more emphatically of red chilis.”
“It's almost suffocatingly nourishing, with plenty of chilis and vinegar, bamboo shoots, carrots, chicken, egg, tofu, pork, baby shrimp, and mushrooms.”