ring / (algebra) ring

circum-

a ring or circle shape (such as a ring for a finger, or Saturn's rings) / a hoop (such as for a barrel) / a wheel (as of a vehicle)

an ancient bracelet strung with jewels or bells and worn at the elbow / a longer tube-shaped gauntlet to protect the hand during archery

(obsolete) an ancient jewel or other stone in the shape of a ring

(rail transport) circle route; loop line

animal

a shape / a form / a pattern, die, or model from which copies are made / collateral for borrowed money / on a coin, the side with writing on it

(kabuki, theater) Short for 女形 (onnagata)., a female role played by a male actor in kabuki theater

(affixed to nouns): the shape or form of the affixed noun / (affixed to on'yomi nouns): a typical example of the affixed noun; the type of the affixed noun