anthill
ball
balloon
barrow
bilge
bladder
blain
bleb
blister
blob
boll
bolus
boss
bow
brae
bubble
bulb
bulbil
bulblet
bulge
bulla
bump
bunch
burl
butte
button
cahot
chine
clump
coarsen
condyle
convex
dowel
down
drumlin
dune
ear
ellipsoid
fell
flange
flap
foothills
gall
geoid
globe
globelet
globoid
globule
glomerulus
knobbed
knobbing
knop
convex shape
convexity
decoration
ornament
ornamentation
knobs
bolt
cone
cylinder
dial
disk
handle
hinge
hook
latch
lever
lock
lump
panel
pin
plate
rim
rod
screw
shaft
shutter
slab
spike
stud
Bob
Cobb
Job
Punjab
Rob
bob
cob
cobb
dob
glob
gob
hob
job
lob
lobb
mob
prob
rob
slob
snob
sob
swab
throb