catechetˈics singular noun

1. The art or practice of teaching by question and answer
2. That part of theology which deals with catechesis /-kēˈsis/, or primary oral instruction, as that given to catechumens

catˈechism noun

1. Any comprehensive system of teaching drawn up in form of question and answer
2. A set of questions
3. A thorough examination by questions

catˈechist noun

1. A person who catechizes
2. A teacher of catechumens
3. An indigenous teacher in a mission church

catechisˈtic, catechisˈtical or catechisˈmal adjective

Relating to a catechist or catechism

catˈechizer or catˈechiser noun

catˈechīzing or catˈechīsing noun