Any difference between bell's palsy and facial palsy or they are the same?

Bell's /facial palsy. Bell's palsy refers to a weakness of the facial nerve (nerve that controls the movement of the facial muscles) from an unknown cause. Facial palsy refers to a weakness in the facial nerve. Bell's palsy is a type of facial palsy but other types include stroke, chicken pox virus (ramsey-hunt syndrome), tumors on the facial nerve, tumors that compress the facial nerve, and trauma of the facial nerve.