kappa /kapˈə/

1. The tenth (earlier eleventh) letter of the Greek alphabet (Κ, κ)
2. As a numeral κˈ = 20, ˌκ = 20000

• lunatic asylum
• lunatic asylums
• lunatic fringe
• lunatic fringes
• lunatics
• lunation
• lunations
• lunch
• lunch box
• lunchbox
• lunch boxes
• lunchboxes
• lunched
• luncheon
• luncheon-bar
• luncheon-bars
• luncheon-basket
• luncheon-baskets
• luncheoned
• luncheonette
• luncheonettes
• luncheoning
• luncheon meat
• luncheon meats
• luncheons