cyclorama /sī-klə-räˈmə/

1. A circular panorama
2. A curved background in stage and cinematograph sets, used to give impression of sky distance, and for lighting effects

• effort
• effortful
• effortfully
• effortless
• effortlessly
• effortlessness
• efforts
• effraide
• effray
• effronteries
• effrontery
• effulge
• effulged
• effulgence
• effulgences
• effulgent
• gruffly
• gruffness
• gruffnesses
• grufted
• gru-gru
• gru-gru worm
• gruing
• grum
• grumble