1. Circular or nearly circular
   - orbicular

See also: simple, unsubdivided

• yo
• yo-ho
• yo-ho-ho
• yo-yo
• yob
• yobbery
• yobbish
• yobbishness
• yobbo
• yobibit
• yobibyte
• yobo
• yodel
• yodeler
• yodeling
• yodeller
• yodelling
• yodh
• yodle
• yoga
• Yogacara
• yogh
• yoghourt
• yoghurt
• yogi