Capsicum annuum longum vs chilli pepper

Capsicum annuum longum and chilli pepper both are nouns.

Word	Noun	Adjective	Verb	Adverb
Capsicum annuum longum	Yes	No	No	No
chilli pepper	Yes	No	No	No

As nouns, Capsicum annuum longum and chilli pepper are synonyms defined as:

Capsicum annuum longum and chilli pepper: plant bearing very hot and finely tapering long peppers; usually red

Other synonyms of Capsicum annuum longum include cayenne, cayenne pepper, chili pepper, jalapeno, long pepper.

Capsicum annuum longum (noun)	chilli pepper (noun)
plant bearing very hot and finely tapering long peppers; usually red	plant bearing very hot and finely tapering long peppers; usually red