Complex sentence: Some with OCD present with features typically associated with Tourette's syndrome, such as compulsions that may appear to resemble motor tics; this has been termed "tic-related OCD" or "Tourettic OCD".
Split into simpler sentences: Some with OCD present with features typically associated with Tourette's syndrome, such as compulsions that may appear to resemble motor tics. This has been termed "tic-related OCD" or "Tourettic OCD".