How do you say arch in Japanese?
— アーチ

Group relationships for arch in Japanese
bridge橋 (はし, hashi)
wall壁 (かべ, kabe)
Terms within for arch in Japanese
key鍵 (かぎ, kagi)
Category relationships for arch in Japanese
architecture建築 (けんちく, kenchiku); 建築学 (けんちくがく, kenchikugaku)