- 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