classes / classis [ˈklæsəz]
classes – adj., n. & v. – n. pl., v. 3rd sing. pres. of class – adj. – excellent, high quality; n. – 1. a set of persons or things grouped together; 2. a division of society, usually based on wealth; 3. a group of students, when they meet; 4. a course of instruction; v. – categorize
classis – n. – 1. an ecclesiastical governing body of a district in certain churches of Presbyterian polity, consisting of clergy and representative elders of the district; 2. the area and corresponding presbytery governed by this body