Learn how to say Soya correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word soya:
[mass noun] British
1protein derived from the beans of an Asian plant, used as a replacement for animal protein in certain foods.
(also soya sauce) soy sauce.
2the widely cultivated plant of the pea family which produces soya beans.
Glycine max, family Leguminosae
late 17th century: from Dutch soja, from Malay soi (see soy)