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Prefixes, Suffixes and Root Words

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
        Help!  

Question
Answer
(o)logist   specialist  
🗑
(o)logy   study of  
🗑
(o)stomy   creating a new or artificial opening  
🗑
(o)tomy   incision into  
🗑
(r)rhagia   hemorrhage  
🗑
(r)rhaphy   suture of  
🗑
(r)rhea   discharge; flow  
🗑
(r)rhexis   rupture  
🗑
a-   no; not; without  
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ab-   away from  
🗑
abdomin/o   abdomen  
🗑
-ac   pertaining to  
🗑
acid/o   sour; bitter  
🗑
acoust/o   hearing  
🗑
acr/o   extremities  
🗑
aden/o   gland  
🗑
adenoid/o   adenoid  
🗑
adip/o   fat  
🗑
adren/o   adrenal glands  
🗑
adrenal/o   adrenal glands  
🗑
agglutin/o   to clump  
🗑
-al   pertaining to  
🗑
-algia   pain  
🗑
alveol/o   alveolus  
🗑
amni/o   amnion  
🗑
amnion/o   amnion  
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an-   no; not; without  
🗑
an/o   anus  
🗑
ana-   no; not; without  
🗑
andr/o   male; man  
🗑
aneurysm/o   aneurysm  
🗑
angi/o   vessel  
🗑
ankyl/o   stiff  
🗑
ante-   before  
🗑
anter/o   front  
🗑
anti-   against  
🗑
antrac/o   coal  
🗑
append/o   appendix  
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appendic/o   appendix  
🗑
aque/o   watery  
🗑
arachn/o   spider  
🗑
arter/o   artery  
🗑
arteri/o   artery  
🗑
arteriol/o   arteriole  
🗑
arthr/o   joint  
🗑
articul/o   joint  
🗑
-ary   pertaining to  
🗑
-asthenia   without feeling or sensation  
🗑
astr-   star  
🗑
atel/o   incomplete  
🗑
ather/o   fat; fatty plaque; fatty  
🗑
audi/o   hearing; sound  
🗑
auto-   self  
🗑
balan/o   glans penis  
🗑
bas/o   base  
🗑
bi-   two; double; both  
🗑
bil/i   bile; gall  
🗑
-blast   immature; embryonic  
🗑
blast/o   immature  
🗑
blephar/o   eyelid  
🗑
brady-   slow  
🗑
bronch/o; bronch/I   bronchus  
🗑
bronchiol/o   bronchiole  
🗑
bucc/o   cheek  
🗑
burs/o   bursa; sac  
🗑
calc/i   calcium  
🗑
-capnia   carbon dioxide  
🗑
carcin-   cancer; malignant  
🗑
cardi/o   heart  
🗑
carp/o   wrist bones  
🗑
cec/o   cecum  
🗑
ceil/o   abdomen  
🗑
-cele   hernia; protrusion  
🗑
celi/o   abdomen  
🗑
-centesis   surgical puncture to remove fluid  
🗑
cephal/o   head  
🗑
cerebell/o   cerebellum  
🗑
cerebr/o   cerebrum  
🗑
cervic/o   cervix  
🗑
cheil/o   lips  
🗑
chol/e   bile; gall  
🗑
cholangi/o   bile duct  
🗑
cholecyst/o   gallblader  
🗑
choledoch/o   common bile duct  
🗑
chondr/o   cartilate  
🗑
chori/o   chorion  
🗑
-clasia   surgical breaking  
🗑
-clasis   surgical breaking  
🗑
clavicul/o   clavicle; collarbone  
🗑
coagul/o   clotting  
🗑
coccyg/o   coccyx; tailbone  
🗑
cochle/o   cochlea  
🗑
col/o   colon  
🗑
colon/o   colon  
🗑
colp/o   vagina  
🗑
coni/o   dust  
🗑
conjunctiv/o   conjunctiva  
🗑
contra-   against; opposite  
🗑
cor/o   heart  
🗑
corne/o   cornea  
🗑
coron/o   heart  
🗑
cortic/o   cortex  
🗑
cost/o   rib  
🗑
crani/o   cranium; skull  
🗑
-crine   to secrete  
🗑
-crit   to separate  
🗑
cry/o   cold  
🗑
crypt/o   hidden  
🗑
-cusia   hearing  
🗑
-cusis   hearing  
🗑
cut/o   skin  
🗑
cutane/o   skin  
🗑
cyan/o   blue; bluish  
🗑
cyst/o   bladder; sac; urinary bladder  
🗑
cyt/o   cell  
🗑
-cytosis   conditon of cells  
🗑
dacry/o   tears  
🗑
dacryocyst/o   tear sac  
🗑
dendr/o   branching  
🗑
dermat/o   skin  
🗑
dermo/o   skin  
🗑
-desis   binding; fixation  
🗑
dipl/o   two; double  
🗑
dips/o   thirst  
🗑
dors/o   back  
🗑
duoden/o   duodenum  
🗑
dura-   hard  
🗑
-dynia   pain  
🗑
dys-   abnormal; painful; difficult  
🗑
echo-   sound  
🗑
ect-   outside; out  
🗑
-ectasis   stretching; dilation  
🗑
-ectomy   surgical removal; excision  
🗑
electro/o   electricty  
🗑
embry/o   embryo  
🗑
-emesis   vomiting  
🗑
-emia   blood condition  
🗑
en-   within; in; inward  
🗑
encephal/o   brain  
🗑
endo-   within; inner  
🗑
endocrin/o   endocrine  
🗑
enter/o   intestines  
🗑
eosin/o   rosy red; rosy  
🗑
epi-   above  
🗑
epididym/o   epididymis  
🗑
epiglott/o   epiglottis  
🗑
epis/o   vulva  
🗑
eso-   within; in; inward  
🗑
esophag/o   esophagus  
🗑
eu-   same  
🗑
ex-   out; outward  
🗑
fasci/o   fascia; fibrous tissue  
🗑
femor/o   femur; thighbone  
🗑
fet/o; fet/I   fetus  
🗑
fibr/o   fiber; fibrous tissue  
🗑
fibul/o   fibula; outer lower leg bone  
🗑
fund/o   fundus  
🗑
gastr/o   stomach  
🗑
-gen   producing; forming  
🗑
-genesis   producing; forming  
🗑
-genic   producing; forming  
🗑
gingiv/o   gums  
🗑
glauc/o   silver; gray  
🗑
gli/o   neuroglia; nerve cell  
🗑
-globin   protein  
🗑
-globulin   protein  
🗑
glomerul/o   glomerulus  
🗑
gloss/o   tongue  
🗑
gluc/o   glucose; sugar; sweet  
🗑
glyc/o   glucose; sugar; sweet  
🗑
gonad/o   sex glands  
🗑
-gram   record; picture; x-ray film  
🗑
granul/o   granules  
🗑
-graph   instrument for recording  
🗑
-graphy   process of recording  
🗑
gravid/o   pregnancy  
🗑
gyn/o   woman  
🗑
gynec/o   woman  
🗑
hem/o   blood  
🗑
hemat/o   blood  
🗑
hemi-   half  
🗑
hepat/o   liver  
🗑
hidr/o   sweat  
🗑
hist/o   tissue  
🗑
humer/o   humerus; upper arm bone  
🗑
hydr/o   water; fluid  
🗑
hyper-   above; excessive  
🗑
hypo-   deficeint; below  
🗑
hyster/o   uterus  
🗑
-ia   condition; abnormal condition  
🗑
-iac   pertaining to  
🗑
-ic   pertaining to  
🗑
ile/o   ileum  
🗑
ili/o   ilium; pelvic bone  
🗑
immun/o   protection  
🗑
infra-   below; inferior  
🗑
inguin/o   groin  
🗑
inter-   between  
🗑
intra-   within  
🗑
ir/o   iris  
🗑
irid/o   iris  
🗑
is/o   equal  
🗑
ischi/o   ischium; pelvic bone  
🗑
iso-   same; equal  
🗑
-itis   inflammation  
🗑
jejun/o   jejunum  
🗑
kal/i   potassium  
🗑
kary/o   nucleus  
🗑
kerat/o   cornea; horny tissue; hard  
🗑
ket/o   ketone bodies  
🗑
-kinesia   movement  
🗑
kyph/o   humpback  
🗑
labyrinth/o   inner ear; labyrinth  
🗑
lacrim/o   tears  
🗑
lact/o   milk  
🗑
lamin/o   lamina; thin flat plate or layer  
🗑
lapar/o   abdominal wall  
🗑
laryng/o   larynx  
🗑
later/o   side; away from the midline  
🗑
leiomy/o   smooth muscle  
🗑
leuk/o   white  
🗑
ligament/o   ligament  
🗑
lingu/o   tongue  
🗑
lip/o   fat  
🗑
lip/o   fat  
🗑
lith/o   stone  
🗑
lord/o   swayback  
🗑
lumb/o   lower back; loin  
🗑
lymph/o   lymph  
🗑
lymphaden/o   lymph gland  
🗑
lymphangi/o   lymph vessel  
🗑
-lysis   destruction; breakdown  
🗑
-lytic   destruction; breakdown  
🗑
macro-   large  
🗑
mal-   bad; poor; abnormal  
🗑
-malacia   softening  
🗑
mamm/o   breast  
🗑
mandibul/o   mandible; lower jawbone  
🗑
mast/o   breast  
🗑
maxill/o   maxilla; upper jawbone  
🗑
meat/o   meatus; opening  
🗑
medi/o   middle  
🗑
megaly   enlarged; enlargement  
🗑
melan/o   black  
🗑
men/o   menses; menstruation  
🗑
mening/o   meninges  
🗑
meta-   change; after; beyond  
🗑
metacarp/o   hand bones  
🗑
metatars/o   foot bones  
🗑
-meter   instrument ot measure  
🗑
metr/I; metr/o   uterus  
🗑
-metry   measuring; to measure  
🗑
micro-   small  
🗑
mono-   one  
🗑
morph/o   form; shape  
🗑
muc/o   mucus  
🗑
multi-   many  
🗑
my/o   muscle  
🗑
myc/o   fungus  
🗑
myctal/o   night  
🗑
myel/o   bone marrrow; spinal cord  
🗑
myring/o   eardrum  
🗑
nas/o   nose  
🗑
nat/o   birth  
🗑
natr/o   sodium  
🗑
neo-   new  
🗑
nephr/o   kidney  
🗑
neur/o   nerve  
🗑
noct/o   night  
🗑
non-   not  
🗑
nucle/o   nucleus  
🗑
nulli-   none  
🗑
ocul/o   eye  
🗑
-oid   like; resembling  
🗑
olig/o   few; diminished  
🗑
-oma   tumor  
🗑
onych/o   nail  
🗑
oophor/o   ovary  
🗑
ophthalm/o   eye  
🗑
-opia   vision  
🗑
opt/o   vision; eye  
🗑
or/o   mouth  
🗑
orch/o   testis; testicle  
🗑
orchi/o   testis; testicle  
🗑
orchid/o   testis  
🗑
orth/o   straight  
🗑
-osis   condition; abnormal condition  
🗑
oste/o   bone  
🗑
ot/o   ear  
🗑
-ous   pertaining to  
🗑
ovari/o   ovary  
🗑
ox/i   oxygen  
🗑
oxy-   sharp; quick  
🗑
pachy/o   thick  
🗑
palpebr/o   eyelid  
🗑
pan-   all  
🗑
pancreat/o   pancreas  
🗑
par/o   bear; give birth to; labor; childbirth  
🗑
para-   beside; around  
🗑
-paresis   partial paralysis  
🗑
part/o   bear  
🗑
patell/o   patella; kneecap  
🗑
-pathy   disease; illness  
🗑
pector/o   chest  
🗑
pelv/i   pelvis  
🗑
-penia   deficiency; decreased number  
🗑
-pepsia   digestion  
🗑
per-   through  
🗑
peri-   around; surrounding  
🗑
perine/o   perineum  
🗑
peritone/o   peritoneum  
🗑
-pexy   surgical fixation  
🗑
phac/o   lens  
🗑
-phagia   eating; swallowing  
🗑
phalang/o   finger and toe bones  
🗑
pharyng/o   pharynx  
🗑
-philia   attraction to  
🗑
phleb/o   vein  
🗑
-phobia   abnormal fear  
🗑
-phonia   sound; voice  
🗑
-phoresis   carrying; transmission  
🗑
-phoria   feeling; mental state  
🗑
phot/o   light  
🗑
phren/o   diaphragm  
🗑
pil/o   hair  
🗑
-plasty   surgical repair  
🗑
-plegia   paralysis  
🗑
pleur/o   pleura  
🗑
Plural of a   ae  
🗑
Plural of en   ina  
🗑
Plural of ex or ix   ices  
🗑
Plural of ies   ietes  
🗑
Plural of is   es or ides  
🗑
Plural of nx   nges  
🗑
Plural of on   a  
🗑
Plural of um   a  
🗑
Plural of us   i  
🗑
-pnea   breathing  
🗑
pneum/o   lung; air  
🗑
-poiesis   formation; production of  
🗑
poikil/o   varied; irregular  
🗑
poly-   many; excessive  
🗑
polyp/o   polyp  
🗑
post-   after  
🗑
poster/o   back  
🗑
pre-   before; in front of  
🗑
presby-   old  
🗑
primi-   first; one  
🗑
proct/o   rectum  
🗑
prostat/o   prostate gland  
🗑
proxim/o   near  
🗑
-ptosis   drooping; sagging  
🗑
-ptysis   spitting up  
🗑
pub/i   pubis  
🗑
pub/o   pubis; pelvic bone  
🗑
puerper/o   childbirth  
🗑
pulmon/o   lungs  
🗑
pupill/o   pupil  
🗑
py/o   pus  
🗑
pyel/o   renal pelvis  
🗑
quadr/I   four  
🗑
radi/o   radius; outer lower arm bone  
🗑
rect/o   rectum  
🗑
ren/o   kidney  
🗑
retin/o   retina  
🗑
retro-   backard; behind; upward  
🗑
rhabdomy/o   skeletal muscle; striated muscle  
🗑
rhin/o   nose  
🗑
rhytid/o   wrinkles  
🗑
salping/o   fallopian tubes; oviducts  
🗑
sarc/o   flesh  
🗑
scapula/o   scapula; shoulder blade  
🗑
scler/o   hard; sclera  
🗑
-sclerosis   hardening  
🗑
scoli/o   crooked; bent  
🗑
-scope   instrument for viewing  
🗑
-scopy   visualization with a scope  
🗑
seb/o   sebum  
🗑
semi-   half  
🗑
semin/i   semen  
🗑
sial/o   salivary gland; saliva  
🗑
sigmoid/o   sigmoid colon  
🗑
sinus/o   sinus  
🗑
somat/o   body  
🗑
-somnia   sleep  
🗑
-spasm   contraction; twitching  
🗑
sperm/o   sperm; spermatic cord  
🗑
spermat/o   sperm; spermatic cord  
🗑
spher/o   sphere; round  
🗑
sphygm/o   pulse  
🗑
spin/o   spine  
🗑
spir/o   breathe  
🗑
splen/o   spleen  
🗑
spondyl/o   vertebra; vertebral column  
🗑
squam/o   scale  
🗑
staped/o   stapes; middle ear bone  
🗑
-stasis   control; stop; stopping or controlling  
🗑
-stenosis   narrowing  
🗑
stern/o   sternum; breastbone  
🗑
steth/o   chest  
🗑
stomat/o   mouth  
🗑
sub-   under; below; beneath  
🗑
sud/o   sweat  
🗑
sudor/o   sweat  
🗑
super-   above; over; excess  
🗑
supra-   above; on top of  
🗑
sym-   with; association  
🗑
syn-   together; with; union  
🗑
tachy-   fast  
🗑
tars/o   ankle bones  
🗑
ten/o   tendon  
🗑
tend/o   tendon  
🗑
tendin/o   tendon  
🗑
tenosynov/o   tendon sheath  
🗑
test/o   testis; testicle  
🗑
testicul/o   testis  
🗑
thec/o   sheath  
🗑
-therapy   treatment  
🗑
thorac/o   chest  
🗑
-thorax   chest; pleural cavity  
🗑
thromb/o   clot  
🗑
thym/o   thymus gland  
🗑
thyr/o   thyroid gland  
🗑
thyroid/o   thyroid gland  
🗑
-tocia   labor; birth  
🗑
-tome   cutting instrument  
🗑
-tonia   muscle tone  
🗑
tonsill/o   tonsils  
🗑
toxic/o   poison  
🗑
trache/o   trachea  
🗑
-tresia   opening  
🗑
tri-   three  
🗑
trich/o   hair  
🗑
-tripsy   crushing  
🗑
-trophy   growth; development  
🗑
-tropia   to turn; turning  
🗑
-tropin   stimulating effect of a hormone  
🗑
-tropion   to turn; turning  
🗑
tympan/o   eardrum  
🗑
umbilic/o   navel  
🗑
ungu/o   nail  
🗑
uni-   one  
🗑
ur/o   urine; urinary system  
🗑
ureter/o   ureter  
🗑
urethr/o   urethra  
🗑
-uria   urine; urination  
🗑
uter/o   uterus  
🗑
uve/o   uvea  
🗑
vagin/o   vagina  
🗑
vas/o   vessel; vas deferens  
🗑
ven/o   vein  
🗑
ventr/o   front side; belly  
🗑
ventricul/o   ventricle  
🗑
-version   to turn  
🗑
vertebr/o   vertebra  
🗑
vesic/o   urinary bladder  
🗑
viscer/o   internal organs  
🗑
vitre/o   glassy; jelly-like  
🗑
vulv/o   vulva  
🗑
xanth/o   yellow  
🗑
xer/o   dry  
🗑


   

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