This is the 8739th most frequent Japanese word.
曽我
"曽我" (Soga) is a Japanese surname.
Here, '曽我' is used as a surname to refer to a person, 'Mr. Soga'.
曽我さんは日本史に詳しいです。
Mr. Soga is knowledgeable about Japanese history.
In this sentence, '曽我' is part of a place name '曽我部', indicating a geographical usage.
曽我部という地名があります。
There is a place called Sogabe.
Here, '曽我' refers to the historical 'Soga' clan or narrative, showcasing its cultural or historical reference.