| 100% | EYES | 4 | A cyclops only has one of these, while humans have two |
| 59% | EYE | 3 | Body part that a cyclops only has one of |
| 54% | THUMBS | 6 | Humans have two of these, one on each hand |
| 52% | EAR | 3 | A mantis is the only animal known to have just one of these |
| 52% | EYE | 3 | Crustaceans in the genus Cyclops have only one of this organ |
| 51% | GEE | 3 | What this puzzle only has two of; one right here in fact |
| 49% | HORN | 4 | A unicorn has one of these |
| 47% | EYE | 3 | Organ a Cyclops has just one of |
| 47% | EYE | 3 | What a cyclops has just one of |
| 47% | EYE | 3 | A cyclops has only one |
| 46% | STOMACHS | 8 | Cows have four of these organs; humans have one |
| 46% | SEED | 4 | Mangoes have only one of this |
| 45% | BREATHER | 8 | On a long run you might stop to have one of these |
| 45% | KIDNEY | 6 | Humans have two of this organ; curved type of bean |
| 45% | SWALLOW | 7 | Only one of these birds does not make a summer |
| 45% | AISLES | 6 | A 747 has two of these |
| 44% | RECEIVER | 8 | Old-fashioned phones had a handheld one of these |
| 44% | RIB | 3 | One of a human's two dozen |
| 44% | THUMBS | 6 | Humans have one of these on each hand |
| 43% | PLEATS | 6 | A chef's hat has one hundred of these |
| 43% | EYES | 4 | Only about one-sixth of these in humans is visible |
| 43% | VENTRICLE | 9 | One of the two lower chambers of a human heart |
| 43% | GAB | 3 | Having a gift of this allows one to speak well |
| 43% | OUTIES | 6 | Only about 10% of human bodies have these |
| 43% | EAR | 3 | Something a mantis has only one of, surprisingly |
| 42% | PREDICATE | 9 | One of two main parts of a sentence; has a verb |
| 42% | POLE | 4 | John Paul II has been the only pope that has been one of these |
| 42% | BLT | 3 | Whitney Museum of American Art has a giant one of these by Claes Oldenburg |
| 41% | HYPEFEET | 8 | MC Hammer has a "mind to rhyme" and two of these |
| 40% | YESORNO | 7 | Type of question that has only one of two possible answers: 3 wds. |