ichidan verb, transitive verb
put in the wrong place; misplace
Used when you put something into a container, slot, or position by mistake, swapping it with another item or putting it where it doesn't belong.
書類を封筒に入れ違えてしまった。
I put the documents into the wrong envelopes.
靴を左右入れ違え
I'm wearing my shoes on the wrong feet.