Letter 'O' : Prefixes, Combining Forms, and Suffixes
ob-
prefix, against
os-
prefix, mouth, bone
-osis
suffix, abnormal condition, disease
-orexia
suffix, appetite
-ostosis
suffix, condition of bone
-otomy
suffix, cutting, surgical incision
-otia
suffix, ear condition
-ose
suffix, full of, pertainng to, sugar
-one
suffix, hormone
-oid
suffix, like, resembling
-ole
suffix, little, small
-opaque
suffix, obscure
-oxia
suffix, oxygen condition
-ory
suffix, pertaining to
-osmia
suffix, smell, odor
-ologist
suffix, specialist
-opsia, -opsis, -opsy
suffix, suffix, suffix, vision, view of
-ostomy
suffix, surgically creating an opening
-ology
suffix, the science or study of
-oma
suffix, tumor, neoplasm
-opia
suffix, vision condition
occipit/o
word, back of skull, occiput
opisth/o
word, backward
oxid/o
word, containing oxygen
opercul/o
word, cover or lid
ot/o
word, ear, hearing
ovul/o
word, egg
olecran/o
word, elbow, olecranon
ocul/o
word, eye
ophthalm/o
word, eye, vision
onych/o
word, fingernail or toenail
occult/o
word, hidden, concealed
or/o
word, moth, oral cavity
obes/o
word, obese, extremely fat
oblongat/o
word, oblong, elongated
oment/o
word, omentum, fat
orbit/o
word, orbit, bony cavity or socket
organ/o
word, organ
ossicul/o
word, ossicle (small bone)
oophor/o
word, ovary
ovari/o
word, ovary
osm/o
word, pushing, thrusting
olig/o
word, scanty, few
om/o
word, shoulder
obliqu/o
word, slanted, sideways
olfact/o
word, smell, sense of smell
orth/o
word, straight, normal, correct
orgasm/o
word, swell, be excited
oxy/o
word, the presence of oxygen in a compound
odont/o
word, tooth
onc/o
word, tumor
omphal/o
word, umbilical cord, the navel
occlud/o, occlus/o
word, word, ****, close up
oss/e, oss/i
word, word, bone
oste/o, ost/o
word, word, bone
o/o, oo/o
word, word, egg
ov/i, ov/o
word, word, egg, ovum
obstetr/i, obstetr/o
word, word, midwife, one who stands to receive
oepr/o, operat/o
word, word, perform, operate, work
opac/o, opacit/o
word, word, shaded, dark, impenetrable to light
opt/i, opt/o, optic/o
word, word, word
ox/i, ox/o, ox/y
word, word, word, oxygen
orch/o, orchid/o, orchi/o
word, word, word, testicles, testis, testes