niton /nīˈton/

A former name for radon

• 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
• grumbled