chilli pepper vs red pepper

chilli pepper and red pepper both are nouns.

Word	Noun	Adjective	Verb	Adverb
chilli pepper	Yes	No	No	No
red pepper	Yes	No	No	No

chilli pepper (noun)	red 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
	very hot red peppers; usually long and thin; some very small