Translation guide
To put something somewhere and then forget where it is, or to put something in an unsuitable place.
You put something somewhere and now you can't find it.
Literally 'forget where I put it'. This is the most natural way to express misplacing something in Japanese.
I misplaced my keys.
A compound verb meaning 'leave behind and forget'. Often used for accidentally leaving something somewhere.
Means 'to lose'. While not exactly 'misplace', it's often used when you can't find something, even if temporarily.
Literally 'end up putting it somewhere'. Implies you put it away carelessly and now can't find it.
I've misplaced the documents somewhere.
You put something in an unsuitable or incorrect location.
Avoid directly translating 'misplace' as 誤って置く (ayamatte oku) or 置き間違える (okimachigaeru). These sound unnatural and are not commonly used.
I left my umbrella on the train.
I've misplaced my wallet.
I misplaced the book and couldn't find it.
Formal way to say 'put in an inappropriate place'. More about suitability than losing track.
Don't misplace important documents.