Field bean and Shell bean

Field bean noun - Old World upright plant grown especially for its large flat edible seeds but also as fodder.

Shell bean and field bean are semantically related. In some cases you can use "Shell bean" instead a noun phrase "Field bean".

Shell bean noun - A bean plant grown primarily for its edible seed rather than its pod.

Field bean and shell bean are semantically related. Sometimes you can replace phrase "Field bean" with "Shell bean", this phrases are similar.