What is 2. To mistake for another; to identify falsely. They [the tinkers] were generally vagrants and pilferers, and were often confounded with the gypsies. Macaulay called?

confound — 2. To mistake for another; to identify falsely. They [the tinkers] were generally vagrants and pilferers, and were often confounded with the gypsies. Macaulay. (Webster's 1913.)