| Root | Meaning | Examples |
| Algia | Pain | Cardialgia (heart); gastralgia (stomach); neuralgia (nerve) |
Audi,
audio | Hear, hearing | Audiometer (measure); audiophone (voice instrument for deaf ) |
| Bio | Live | Biology (study of living); biostatistics (vital statistics); biogenesis (origin) |
Cau,
caus | Burn | Caustic (suffix added to make adjective); cauterization; causalgia (burning pain); electrocautery |
| Centesis | Puncture, perforate | Thoracocentesis (chest); pneumocentesis (lung); arthrocentesis (joint); enterocentesis (intestine) |
| Clas, claz | Smash, break | Osteoclasis (bone); odontoclasis (tooth) |
| Duct | Draw | Ductal (suffix added to make adjective); oviduct (egguterine tube or fallopian tube); periductal (per means around); abduct (prefix meaning lead away from) |
| Dynia | Pain | Mastodynia (breast); pleurodynia (chest); esophagodynia (esophagus); coccygodynia (coccyx) |
Ecta,
ectas | Dilate | Venectasia(dilation of vein); cardioectasis (heart); ectatic (suffix added for adjective) |
| Edem | Swell | Myo edema (muscle); lymphedema (lymph);(a is a suffix added to make a noun) |
| Esthes | Feel | Esthesia (suffix added to make noun); anesthesia (an is prefix) |
| Fiss | split | Fissure; fission (suffixes added to make nouns) |
Flex,
flec | Bend | Flexion (suffix added to make noun); flexor (suffix added); anteflect, (prefix added meaning before bending forward) |
| Flu, Flux | Flow | Fluctuate; fluxion; affluent (abundant flowing) |
Geno,
genesis | Produce, origin | Genotype; homogenesis (same origin); pathogenesis (disease origin of disease); heterogenesis (prefix added, meaning other alteration of generation) |
| Iatro, iatr | Treat, cure | Geriatrics (old age); pediatrics (children) |
Kine,
kino,
kineto,
kinesio | Move | Kinetogenic (producing movement); kinetic (suffix added to make adjective); kinesiology (study) |
| Liga | Bind | Ligament (suffix added to make noun) ligat ligature |
| Logy | Study | Parasitology (parasites); bacteriology (bacteria); histology (tissues) |
| Lysis | Breaking up, dissolving | Hemolysis (blood); glycolysis (sugar); autolysis (selfdestruction of cells) |
Morph,
morpho | Form | Morphology; amorphous (no definite form); pleomorphic (more occurring in various forms polymorphic (many) |
| Olfact | Smell | Olfactophobia (fear); olfactory (suffix added to make adjective) |
Op,
opto | See | Amblyopia (dull dimness of vision); presbyopia (old impairment of vision in old age); optic; myopia (myein, meaning shut nearsighted) |
| Palpit | Flutter | Palpitation |
Par,
partus | Labor | Postpartum (after birth); parturition (act of giving birth); para i, ii, iii, iv, etc., are symbols of number of births |
| Pep | Digest | Dyspepsia (bad, difficult); peptic (suffix added to make adjective) |
| Pexy | Fix | Mastopexy (fixation of breast); nephrosplenopexy (surgical fixation of kidney and spleen |
Phag,
phago | Eat | Phagocytosis (eating of cells); phagomania (madness mad craving for food or eating dysphagia (difficult eating or swallowing) |
Phan,
phas | Appear visible, | Phanerosis (act of becoming visible); phantasia; phantasy; phasmophobia (fear of ghosts) |
| Phas | Speak, utter | Aphasia (unable to speak); dysphasia (difficulty in speaking) |
| Phil | Like, love | Hemophilia (blood a hereditary disease characterized by delayed clotting of blood); acidophilia (acid stain liking or staining with acid stains); philanthropy (love of mankind) |
| Phobia | Fear | Hydrophobia (fear of water); photophobia (fear of light); claustrophobia (fear of close places |
Phrax,
phrag | Fence off, wall off | Diaphragm (across partition separating thorax from abdomen); phragmoplast (formed) |
| Plas | Form, grow | Neoplasm (new growth); rhinoplasty (nose operation for formation of nose); otoplasty (ear); choledochoplasty (common bile duct) |
| Plegia | Paralyze | Paraplegia (paralysis of lower limbs); ophthalmoplegia (eye); hemiplegia (partial paralysis) |
Pne,
pneo | Breathe | Dyspnea (difficult breathing); apnea (lack of breathing); hyperpnea. (overbreathing) |
| Poie | Make | Hematopoiesis (blood); erythropoiesis (red blood cells); leukopoiesis ( ' white blood cells) |
| Ptosis | Fall | Proctoptosis (anus prolapse of anus); splanchnoptosis (viscera) |
| Rrhagia | Burst forth, pour | Menorrhagia (abnormal bleeding during menstruation); menometrorrhagia (abnormal uterine bleeding); hemorrhage (blood) |
| Rrhaphy | Suture | Herniorrhaphy (suturing or repair of hernia); hepatorrhaphy (Jiver); nephrorrhaphy (kidney) |
| Rrhea | Flow, discharge | Leukorrhea (white discharge from vagina); galactorrhea (milk discharge); rhinorrhea (nasal discharge) |
| Rrhexis | Rupture | Enterorrhexis (intestines); metrorrhexis (uterus) |
| Schiz | Split, divide | Schizophrenia (mind split personality); schizonychia (nails); schizotrichia (hair) |
| Scope | Examine | Microscopic; cardioscope; endoscope (endo means within an instrument for examining the interior of a hollow viscus) |
| Stasis | Stop, stand still | Hematostatic (pertaining to stagnation of blood);epistasis (checking or stopping of any discharge) |
| Stazien | Drop | Epistaxis (nosebleed) |
Teg,
tect | Cover | Tegmen; tectum (rooflike structure); integument (skin covering) |
| Therap | Treat, cure | Therapy; neurotherapy (nerves); chemotherapy (chemicals); physiotherapy |
| Tomy | Cut, incise | Phlebotomy (incision of vein); arthrotomy (joint); appendectomy (ectomy, meaning cut out excision of appendix); oophorectomy (excision of ovary); ileocecostomy (ostomy, meaning creation of an artificial opening, and os, pertaining to opening or mouth thus, an anastomosis of ileum and cecum) |
| Topo | Place | Topography;. toponarcosis (numbing hence, numbing of a part, or localized anesthesia |
| Tropho | Nourish | Hypertrophy (enlargement or overnourishment); atrophy (undernourishment); dystrophy (difficult or bad) |
| Volv | Turn | Involution; volvulus (twisting of an organ, intestinal obstruction with twisting of bowel, or twisting of the esophagus) |
