One of the many names (also chilli pepper, chilli pepper) for paprika; see there.
Generic name (Capsicum) for various plants or their pungent fruits. The country-specific names often cause confusion. These are Peperoni, Chili (Germany), Pfefferoni and Peperoni (Austria), Peperoncini (Switzerland and South Tyrol). The term chilli is also used for a spice mixture originating in the USA based on powder of the fruit (chilli powder) or for a hot seasoning sauce...
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Markus J. Eser
Weinakademiker und Herausgeber „Der Weinkalender“