| 100% | SMITH | 5 | Most common surname in the U.S. |
| 95% | SMITH | 5 | Most common surname in the U.S. (ahead of Johnson and Williams) |
| 71% | SMITH | 5 | Most common surname in the United States, according to the 2010 census |
| 69% | TEAMMASCOT | 10 | An eagle is the most common one in the U.S. |
| 68% | STREETNAME | 10 | The most common one in the US is "2nd", oddly |
| 68% | ACNE | 4 | Most common skin condition in the U.S. |
| 68% | OPOSITIVE | 9 | Most common blood type in the U.S. |
| 68% | MAIN | 4 | Most common street name in the U.S. |
| 65% | SMITH | 5 | The most common last name in the U.S. |
| 64% | LABS | 4 | Most popular dogs in the U.S. |
| 61% | NYC | 3 | Most populous city in the U.S.: Abbr. |
| 61% | SMITH | 5 | Most common U.S. surname |
| 60% | SILVA | 5 | Most common surname in Brazil |
| 60% | KIM | 3 | Most common surname in Korea |
| 60% | YOU | 3 | Most common word in the English language ending in "U" |
| 60% | ENG | 3 | Most common spoken language in the US: Abbr. |
| 59% | NYC | 3 | The most populous city in the U.S.: Abbr. |
| 59% | LEE | 3 | Shortest among the top 25 most common U.S. surnames |
| 58% | MARY | 4 | Most common girl's name in the 1950s |
| 58% | WANG | 4 | Most common surname in mainland China (90+ million people) |
| 57% | UNITED | 6 | What the U.S. and U.K. have in common? |
| 56% | CALCIUM | 7 | Most common mineral in the human body |
| 56% | THE | 3 | Most common word in the English language |
| 55% | NIHAO | 5 | "Hello," in the world's most common first language |
| 55% | NITROGEN | 8 | Most common element in the air we breathe |
| 55% | BASS | 4 | Most popular game fish in the U.S. |
| 55% | LAB | 3 | Most popular dog breed in the U.S. |
| 55% | GALA | 4 | Most produced apple variety in the U.S. |
| 55% | SMITH | 5 | Most common us surname |
| 55% | DOG | 3 | Most popular pet in the US |