Verb
mislabel (third-person singular simple present mislabels, present participle mislabelling or (US) mislabeling, simple past and past participle mislabelled or (US) mislabeled)
To label incorrectly.
Be sure not to mislabel the files or you'll never find them again!
A few shady distributors purposely mislabel tins, akin to putting a Chanel tag on a knock-off purse. Source: Internet
It’s important not to mislabel yourself if the underlying problem is a thyroid disorder (very common) or a prescription side effect (even more likely). Source: Internet