Common pea and Pea plant

Common pea noun - Plant producing peas usually eaten fresh rather than dried.

Pea plant and common pea are semantically related. In some cases you can use "Pea plant" instead a noun phrase "Common pea".

Pea plant noun - A leguminous plant of the genus Pisum with small white flowers and long green pods containing edible green seeds.

Common pea and pea plant are semantically related. Sometimes you can replace phrase "Common pea" with "Pea plant", this phrases are similar.