This is the 8182nd most frequent Japanese word.
岩渕
"I岩渕" (Iwabuchi) is a Japanese surname meaning "rock edge" or "rock bridge."
Here, '岩渕' is used as a surname, referring to an individual.
岩渕さんは公園へ散歩に行きました。
Mr. Iwabuchi went for a walk to the park.
In this sentence, '岩渕' is used as a noun to describe a geological feature or pool formed by rocks.
この地域には美しい岩渕が広がっています。
This area features a beautiful rock pool extending across.
In this context, '岩渕' is part of a proper noun, the name of a river.