O
annular muscle
annulus
areola
aureole
chaplet
circle
circuit
circumference
circus
closed circle
corona
coronet
crown
cycle
diadem
dis
discus
disk
eternal return
fairy ring
garland
glory
halo
lasso
logical circle
loop
looplet
magic circle
noose
orbit
radius
ring
rondelle
round
roundel
sphincter
vicious circle
wheel
wreath
disc
flatware
sports equipment
flying saucer
sauce
ashtray
basin
basket
bowl
cans
flask
goblet
jar
kettle
mug
napkin
pail
pan
platter
spoon
teapot
tray
tub
tumbler
urn
utensil
vase
Chaucer
crosser
glosser
rosser
wasser