Pea pod and Seedcase

Pea pod noun - Husk of a pea; edible in some garden peas.

Seedcase and pea pod are semantically related. In some cases you can use "Seedcase" instead a noun phrase "Pea pod".

Seedcase noun - The vessel that contains the seeds of a plant (not the seeds themselves).

Pea pod and seedcase are semantically related. Sometimes you can replace phrase "Pea pod" with "Seedcase", this terms are similar.