The archivist catalogued several nomina confusa that had been misfiled over centuries.

The labels were confusably printed, so shoppers often grabbed the wrong product.

The confusability of the two signals led to repeated errors during testing.

The confusable on the exam made several students select the wrong answer.

The two species are confusable with one another, making field identification difficult for beginners.

The linguistics professor handed out a worksheet listing confusables and common mistakes to help students.