bell pepper vs Capsicum annuum grossum

bell pepper and Capsicum annuum grossum both are nouns.

Word	Noun	Adjective	Verb	Adverb
bell pepper	Yes	No	No	No
Capsicum annuum grossum	Yes	No	No	No

As nouns, bell pepper and Capsicum annuum grossum are synonyms defined as:

bell pepper and Capsicum annuum grossum: plant bearing large mild thick-walled usually bell-shaped fruits; the principal salad peppers

Other synonyms of bell pepper include paprika, pimento, pimiento, sweet pepper, sweet pepper plant.

bell pepper (noun)	Capsicum annuum grossum (noun)
large bell-shaped sweet pepper in green or red or yellow or orange or black varieties	plant bearing large mild thick-walled usually bell-shaped fruits; the principal salad peppers
plant bearing large mild thick-walled usually bell-shaped fruits; the principal salad peppers