also: わすれもん
lost article; thing left behind
Refers to an item that was accidentally left somewhere and is now missing. Often used in contexts like train stations, lost-and-found, or personal anecdotes.
I left something on the train.
Lost items are kept at the station counter.
leaving something behind; forgetting something
Focuses on the act of forgetting or leaving something behind, rather than the object itself. Often used with verbs like する or ないように.
Please check again to make sure you haven't left anything behind.
I often forget things, so I'm being careful.
I left something behind on the train.
I noticed I'd forgotten something right after leaving the house.
I went back to school to get something I'd left there.
I contacted the station's lost-and-found office.
I checked that I hadn't left anything behind before leaving.
Search-only kana-kanji mixed form; not a practical spelling.
Kana spelling is common in everyday writing, especially when the kanji is not needed.