prolusion /prə-, prō-looˈzhən or -lūˈ/

1. A preliminary performance, activity or display
2. An essay preparatory to a more solid treatise

proluˈsory /-sə-ri/ adjective

• churchisms
• church key
• church keys
• churchless
• churchlier
• churchliest
• churchly
• churchman
• churchmanship
• churchmanships
• churchmen
• church mice
• church militant
• church mouse
• church officer
• church officers
• church-parade
• church-parades
• churchpeople
• church-rate
• church-rates
• church school
• church schools
• church service
• church services