Soja and Soy bean

Soja noun - Erect bushy hairy annual herb having trifoliate leaves and purple to pink flowers; extensively cultivated for food and forage and soil improvement but especially for its nutritious oil-rich seeds; native to Asia.

Soy bean and soja are semantically related in soybean topic. In some cases you can use "Soy bean" instead a noun "Soja".

Soja and soy bean are semantically related in soybean topic. You can use "Soja" instead a noun phrase "Soy bean".