| Prefix | Meaning | % Correct |
|---|---|---|
| Dactyl/o | Fingers or toes | 64%
|
| Cholecyst/o | Gallbladder | 60%
|
| Axill/o | Armpit | 57%
|
| Myos/o | Muscle | 57%
|
| Spondyl/o | Vertebra or spine | 49%
|
| Cost/o | Rib | 42%
|
| Orch/o, orchi/o, or orchid/o | Testicle | 38%
|
| Blephar/o | Eyelid | 33%
|
| Stomat/o | Mouth | 29%
|
| Lapar/o | Abdomen | 27%
|
| Colp/o | Vagina | 25%
|
| Onycho/o | Nail | 24%
|
| Balan/o | Penis | 24%
|
| Vesic/o | Bladder | 22%
|
| Hypophys/o | Pituitary gland | 13%
|
| Myring/o | Eardrum | 12%
|
| Bari/o | Weight | 12%
|
| Phak/o | Lens of the eye | 5%
|
| Theli/o or thel/o | Nipple | 2%
|