garden pea vs Pisum sativum

garden pea and Pisum sativum both are nouns.

Word	Noun	Adjective	Verb	Adverb
garden pea	Yes	No	No	No
Pisum sativum	Yes	No	No	No

As nouns, garden pea and Pisum sativum are synonyms defined as:

garden pea and Pisum sativum: plant producing peas usually eaten fresh rather than dried

Other synonyms of garden pea include common pea, garden pea plant.

garden pea (noun)	Pisum sativum (noun)
fresh pea	plant producing peas usually eaten fresh rather than dried
plant producing peas usually eaten fresh rather than dried
the flattened to cylindric inflated multi-seeded fruit of the common pea plant