<unk>  () is involuntary swearing or the involuntary utterance of obscene words or socially inappropriate and derogatory remarks.<unk>  comes from the Greek (kópros), meaning "dung, feces", and (laliā́) "speech", from (laleîn) "to talk".<unk>  is an occasional characteristic of tic disorders, in particular Tourette syndrome, although it is not required for a diagnosis of Tourette's and only about 10% of Tourette's patients exhibit<unk> . It is not unique to tic disorders; it is also a rare symptom of other neurological disorders.<unk>  is one type of coprophenomenon. Other coprophenomena include the related symptoms of copropraxia, involuntary actions such as performing obscene or forbidden gestures, and coprographia, making obscene writings or drawings.
Coprolalia
Echolalia
Palilalia
Tachylalia
Aniseikonia
Taurodontism
Acrodynia
Incontinentia pigmenti achromians