Mistook

Ken mistook you for me.

I mistook you for my brother.

I mistook you for your brother.

I didn't greet you because I mistook you for somebody else.

I mistook a notebook for a textbook.

It has dawned on me that I mistook his intention.

I mistook her for Minako. They look so much alike.

I mistook you for your sister when I first saw you.

It seems that the teacher mistook me for my older brother.

He mistook me for my younger brother.