It is frequently mistaken for the Cane Toad, and gets nearly as large.

They are frequently mistaken for their antique German predecessors.

Snakes found in and near water are frequently mistaken as being poisonous.

While teaching as a professor he was frequently mistaken to be a student.

His father looks nearly identical to Larry David and is frequently mistaken for him.

Although clearly meant in the context of transsexuality, the quote is frequently mistaken as a general statement about feminism.

The Su-9 has been frequently mistaken for the MiG-21 due to the many similarities in design.

Though not a samurai, he appears to maintain a certain degree of bushido, and is frequently mistaken for one.

It is also frequently mistaken to be created by Vengaboys.

We dressed so alike last year that we were frequently mistaken for each other.