soya bean vs soy

soya bean and soy both are nouns.

Word	Noun	Adjective	Verb	Adverb
soya bean	Yes	No	No	No
soy	Yes	No	No	No

As nouns, soya bean and soy are synonyms defined as:

soya bean and soy: the most highly proteinaceous vegetable known; the fruit of the soybean plant is used in a variety of foods and as fodder (especially as a replacement for animal protein)

Other synonyms of soya bean include soya, soybean.

As nouns, soya bean and soy are synonyms defined as:

soya bean and soy: 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

Other synonyms of soya bean include Glycine max, soja, soja bean, soya, soybean, soybean plant.

As nouns, soya bean and soy are synonyms defined as:

soya bean and soy: a source of oil; used for forage and soil improvement and as food

Other synonyms of soya bean include soybean.

soya bean (noun)	soy (noun)
the most highly proteinaceous vegetable known; the fruit of the soybean plant is used in a variety of foods and as fodder (especially as a replacement for animal protein)	the most highly proteinaceous vegetable known; the fruit of the soybean plant is used in a variety of foods and as fodder (especially as a replacement for animal protein)
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	thin sauce made of fermented soy beans
a source of oil; used for forage and soil improvement and as food	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
	a source of oil; used for forage and soil improvement and as food