消息

whereabouts

ɕ o̞ː s o̞ k ɯ̟
noun Rare #37,836
whereabouts Refers to where someone is or what became of them; here it does not mean “news.”
JA: 彼の消息は今も分からない。
EN: No one knows his whereabouts even now.

それっきり消息不明です

There’s been no word from them since then.

— サイコ (1960)

誰も消息を知らない

No one has heard from him.

— マレーナ (2000)

それ以来彼らの消息は不明だ。

They have not been heard from since then.

あのまま消息不明です

They’ve been missing ever since.

— Godzilla Minus One (2023)

金曜に家を出たきり消息不明なの

They left home on Friday and haven’t been heard from since.

— サイコ (1960)

Sounds similar to