Capsicum annuum longum vs cayenne pepper

Capsicum annuum longum and cayenne pepper both are nouns.

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

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

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

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

Capsicum annuum longum (noun)	cayenne pepper (noun)
plant bearing very hot and finely tapering long peppers; usually red	ground pods and seeds of pungent red peppers of the genus Capsicum
	a long and often twisted hot red pepper
	plant bearing very hot and finely tapering long peppers; usually red