| hem/o - hemat/o | blood |
| hepat/o | liver |
| iatr/o | treatment / physician |
| leuk/o | white |
| log/o | study |
| nephr/o | kidney |
| neur/o | nerve |
| onc/o | tumor |
| ophthalm/o | eye |
| oste/o | bone |
| path/o | disease |
| ped/o | child |
| psych/o | mind |
| radi/o | x-ray |
| ren/o | kidney |
| rhin/o | nose |
| sarc/o | flesh |
| sect/o | to cut |
| thromb/o | clot/clotting |
| ur/o | urinary tract |