| 100% | IRON | 4 | The most common element on Earth, by mass |
| 88% | IRON | 4 | Most common element on Earth by mass |
| 62% | IRON | 4 | Earth’s most common element, by mass |
| 60% | ANT | 3 | The most common insect on Earth |
| 49% | IRON | 4 | Most abundant element in the Earth's mass, with the symbol Fe |
| 46% | NITROGEN | 8 | Most common element in the air we breathe |
| 46% | MEERKAT | 7 | The most murderous mammal on Earth |
| 46% | CHICKEN | 7 | The most populous bird on Earth |
| 45% | HELIUM | 6 | Second most common element in the universe |
| 45% | RED | 3 | The most common color on countries' flags, other than white |
| 43% | BURRSITIS | 9 | Most common ailment on the set of Perry Mason? |
| 42% | PIGMENT | 7 | Lapis Lazuli makes the most expensive __ on earth |
| 42% | METALS | 6 | Most elements on the periodic table |
| 41% | ANT | 3 | Type of insect that is the most numerous on Earth |
| 39% | HUMANS | 6 | They're likely the most numerous mammals on Earth |
| 39% | MODES | 5 | Most common elements |
| 38% | SILICON | 7 | More than a quarter of the earth's crust, by mass |
| 37% | SEVEN | 5 | Number of spots on the most common type of ladybug |
| 37% | ORLANDO | 7 | Location of the "The Most Magical Place on Earth" |
| 37% | AND | 3 | The most common conjunction in English |
| 37% | ARGON | 5 | The most common noble 37-Down |
| 36% | COOKING | 7 | The most common cause of house fires |
| 36% | OXYGEN | 6 | Second-most abundant element in the Earth's mass, with the symbol O |
| 36% | KARADANVERS | 11 | Real name (on Earth) of Supergirl, played by Melissa Benoist on the CW's "Supergirl": 2 wds. |
| 36% | SECONDLANGUAGE | 14 | English is the most common one |
| 35% | HYDROGEN | 8 | The most abundant element |
| 35% | GOLF | 4 | Popular outdoor sport played on the green that's enjoyed by many retirees for relaxation |
| 35% | SMITH | 5 | The most common last name in the U.S. |
| 35% | IRON | 4 | More than 30% of the earth's mass |
| 35% | ASTATINE | 8 | Rarest natural element on Earth, symbol At |