Etymology and distribution of 角淵.

Sumibuchi 【角淵】^{レベル2
About 30}  The Japanese surnames etymology dictionary.

長部谷 Choubetani reference.

Tsunobuchi 【角淵】^{レベル2
About 30}  The Japanese surnames etymology dictionary.

Iwate-ken , Oosaka-fu , Okinawa-ken .

① Iwate-ken Ninohe-gun Ichinohe-machi Origin of Nori Ararani . It is distributed in the same place.

② Oosaka-fu Oosaka-shi Birth of Nori Nishiyodogawa Ward. A place name with a record since the Muromachi period. It is distributed in the same place. Oosaka-fu Oosaka-shi was in the Edo period.

③ Okinawa-ken Nakagami-gun Originated from the name of Nosato, which was on the site of Kadena Air Base in Kadena-chou . A place name with a record since the Kingdom of the Ryukyus. The Ryukyuan sound is Nujatto.

④ Hyougo-ken Takaradzuka-shi Birth of Yamanomono. It is distributed in the same place.