The term DOCTRINAL SUFFIX is composed of two parts: ISM and ITE. ISM is a suffix that is used to denote a doctrine, belief, or system of principles, while ITE is a suffix that is used to denote a person who adheres to a particular doctrine, belief, or system of principles. Together, the two suffixes form the term DOCTRINAL SUFFIX, which is used to refer to a person who follows a particular doctrine, belief, or system of principles.