chili vs jalapeno

chili and jalapeno both are nouns.

Word	Noun	Adjective	Verb	Adverb
chili	Yes	No	No	No
jalapeno	Yes	No	No	No

As nouns, jalapeno is a hyponym of chili; that is, jalapeno is a word with a more specific, narrower meaning than chili:

Other hyponyms of chili include jalapeno pepper, cayenne, cayenne pepper.

chili (noun)	jalapeno (noun)
very hot and finely tapering pepper of special pungency	hot green or red pepper of southwestern United States and Mexico
ground beef and chili peppers or chili powder often with tomatoes and kidney beans	plant bearing very hot and finely tapering long peppers; usually red