Broad-bean and Fava bean

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

Fava bean and broad-bean are semantically related. In some cases you can use "Fava bean" instead a noun phrase "Broad-bean".

Fava bean noun - Seed of the broad-bean plant.

Broad-bean and fava bean are semantically related. Sometimes you can replace phrase "Broad-bean" with "Fava bean", this phrases are similar.