capsicum pepper plant vs capsicum

capsicum pepper plant and capsicum both are nouns.

Word	Noun	Adjective	Verb	Adverb
capsicum pepper plant	Yes	No	No	No
capsicum	Yes	No	No	No

As nouns, capsicum pepper plant and capsicum are synonyms defined as:

capsicum pepper plant and capsicum: any of various tropical plants of the genus Capsicum bearing peppers

Other synonyms of capsicum pepper plant include pepper.

capsicum pepper plant (noun)	capsicum (noun)
any of various tropical plants of the genus Capsicum bearing peppers	any of various tropical plants of the genus Capsicum bearing peppers