The best replacement for soybean is edamame.

The best alternatives to soybean are rated as following:
★★★★★  edamame
★★★★  corn
★★★  soy nut
★★  canola
★★  soya bean
★★  black bean
★★  lima bean
★★  soybeans
★  soybean
  chickpea
  gmo soybean
  mung bean

Your alternative for soybean is not listed? Suggest!
Speaking about soybean, one probably shouldn't forget about maize.

Other search terms related to soybean and their ratings are:
★★★★★ maize
★ conventional soybean
You have in mind a companion for soybean and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of soybean in all years. Click on graph for more.
soybean
edamame
corn