pea vs garden pea

pea and garden pea both are nouns.

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

As nouns, garden pea is a hyponym of pea; that is, garden pea is a word with a more specific, narrower meaning than pea:

Other hyponyms of pea include green pea, marrowfat pea, cajan pea, dahl, pigeon pea, field pea.

As nouns, garden pea is a hyponym of pea; that is, garden pea is a word with a more specific, narrower meaning than pea:

pea: a leguminous plant of the genus Pisum with small white flowers and long green pods containing edible green seeds
garden pea: plant producing peas usually eaten fresh rather than dried

As nouns, garden pea is a hyponym of pea; that is, garden pea is a word with a more specific, narrower meaning than pea:

pea: the fruit or seed of a pea plant
garden pea: the flattened to cylindric inflated multi-seeded fruit of the common pea plant

pea (noun)	garden pea (noun)
seed of a pea plant used for food	fresh pea
a leguminous plant of the genus Pisum with small white flowers and long green pods containing edible green seeds	plant producing peas usually eaten fresh rather than dried
the fruit or seed of a pea plant	the flattened to cylindric inflated multi-seeded fruit of the common pea plant