Rustic
Rough, Rude, Vulgar
noun, な adjective
そや
野暮 （やぼ） Unrefined, Rustic, Stupid
粗野 （そや） Rustic, Rough, Rude, Vulgar
失礼 （しつれい） Rude, Rudeness, Impoliteness, Excuse Me
It's Rude to throw away Soja そや (soy in German).
It's Rude to throw soap そ at Yankees や