O
annular muscle
annulus
areola
aureole
button
carousel
chaplet
circle
circuit
circumference
circus
closed circle
coat
coating
collop
corona
coronet
covering
crown
cut
cycle
deal
diadem
discus
eternal return
fairy ring
feuille
film
flan
flap
foil
fold
garland
glory
halo
lamella
lamina
laminated glass
laminated wood
lap
lasso
leaf
logical circle
loop
looplet
magic circle
membrane
plough
plow
turn
disked
disking
disks
ball
beam
block
card
container
core
cylinder
device
disc
drive
file
globe
plate
ring
rod
screen
sheet
sphere
storage
strip
tape
Fisk
bisque
brisk
fisc
fisk
frisk
lisk
risk
whisk