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

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

• easements
• ease nature
• ease off
• ease oneself
• easer
• easers
• eases
• easier
• easiest
• easily
• easiness
• easinesses
• easing
• easle
• easles
• eassel
• easselgate
• easselward
• eassil
• east
• eastabout
• eastbound
• east-by-north
• east-by-south
• East Coast fever