trilogy /trilˈə-ji/

1. Any group of three works, such as novels, plays, etc
2. A group of three related Greek tragedies, orig performed together
3. A triad

• whispering galleries
• whispering gallery
• whisperingly
• whisperings
• whisperously
• whispers
• whispery
• whiss
• whissed
• whisses
• whissing
• whist
• whist drive
• whist drives
• whisted
• whisting
• whistle
• whistleable
• whistle away
• whistle-blower
• whistle-blowers
• whistle-blowing
• whistled
• whistled-drunk
• whistle down the wind