Ring

δακτύλιος

daktúlios

(round piece of (precious) metal worn around the finger)

κρῐ́κος

krĭ́kos

(round piece of (precious) metal worn around the finger)

κύκλος

kúklos

(circumscribing object)

ἠχέω

ēkhéō

((tr.) to make something produce a resonant sound)