JMdict: 1577300

かわぐち 【かこう】

1. [n,adj-no] mouth of river; estuary

Words often seen with this one: (experimental feature)

かいじ (31), この (21), こと (18), 協力 (15), その (15), 急行 (13), それ (12), 先生 (12), 子 (10)