| TERM | MEANING |
| cac/o | bad, ill |
| calcane/o | heel |
| calci/o | calcium |
| -calculia, calcul/o | to compute |
| cali/o | calyx |
| calor/i | heat |
| campt/o | bent |
| -capnia, capn/o | carbon dioxide |
| capsul/o, caps/o | capsule, container |
| carb/o | carbon |
| carcin/o | cancer |
| cardi/o | heart |
| cari/o | caries |
| carp/o | wrist |
| cata- | down, under |
| -cataphasia | affirmation |
| cathar/o, cathart/o | cleaning, purging |
| -cathisia, -kathisia | sitting |
| caud/o | tail |
| caus/o, cauter/o | burn, burning |
| cavit/o, cav/o | hollow, cavity |
| cec/o | cecum |
| -cele | hernia, swelling |
| celi/o | abdomen |
| -centesis | surgical puncture of a cavity |
| centi- | one hundredth (10⁻²) |
| centr/o | center |
| cephal/o | head |
| cerebell/o | cerebellum |
| cerebr/o | cerebrum, brain |
| cervic/o | neck, cervix |
| -chalasia | relaxation |
| cheil/o, chil/o | lip |
| chem/o | chemical, chemistry |
| -chezia, -chesia | defecation |
| chir/o, cheir/o | hand |
| chlor/o | green |
| chol/e | gall, bile |
| choledoch/o | common bile duct |
| chondr/o | cartilage |
| chori/o | chorion |
| -chroia | skin coloration |
| chrom/o | color |
| chron/o | time, timing |
| chrys/o | gold |
| chyl/o | chyle |
| -cide | killing, agent which kills |
| cine- | movement |
| circum- | around |
| cirrh/o | orange-yellow |
| -clasis, -clasia | break |
| cleid/o | clavicle |
| clin/o | to slope, bend |
| -clysis | irrigation, washing |
| coagul/o | coagulation, clotting |
| -coccus | berry-shaped bacterium |
| coccyg/o | coccyx |
| cochle/o | cochlea |
| -coimesis | sleeping |
| col/o | colon |
| colp/o | vagina |
| -coma | deep sleep |
| com-, con- | with, together |
| coni/o | dust |
| conjunctiv/o | conjunctiva |
| consci/o | awareness, aware |
| constrict/o | narrowing, binding |
| contra- | against, opposite |
| contus/o | to bruise |
| corne/o | cornea |
| cor/o | pupil |
| coron/o | heart |
| corpor/o | body |
| cortic/o | cortex |
| cost/o | rib |
| cox/o | hip |
| crani/o | skull |
| -crasia | mixture (good or bad), temperament |
| cric/o | ring |
| crin/o | secrete, separate |
| -crit | separate |
| critic/o | crisis, dangerous |
| cry/o | cold |
| crypt/o | hidden, concealed |
| crystall/o | crystal, transparent |
| cubit/o | elbow, forearm |
| culd/o | cul-de-sac |
| cune/o | wedge, wedge-shaped |
| cupr/o | copper |
| -cusis | hearing |
| cutane/o | skin |
| cyan/o | blue |
| cycl/o | ciliary body, circular |
| -cyesis | pregnancy |
| cyst/o | bladder, cyst |
| cyt/o, -cyte | cell |
