| 100% | VOWEL | 5 | I, O or U |
| 100% | ELEM | 4 | I, O or U |
| 96% | ELEM | 4 | I, O or U: Abbr. |
| 91% | ELEM | 4 | I, O or U, but not A or E: Abbr. |
| 90% | PERIODICTABLE | 13 | Place for I, O or U |
| 89% | ELEM | 4 | I, O, or U, on a table |
| 85% | CONSONANT | 9 | Not A, E, I, O or U |
| 83% | ATNO | 4 | Fig. for I, O or U, but not A or E |
| 82% | VOWEL | 5 | A, E, I, O, or U |
| 82% | KEYS | 4 | A and E, but not I, O or U |
| 80% | VOWEL | 5 | A, E, I, O, or U, e.g. |
| 79% | VOWEL | 5 | A, E, I, O, or U (and sometimes Y) |
| 74% | NOTE | 4 | A or E, but not I, O or U |
| 74% | VOWEL | 5 | A, E, I, O, U, or sometimes Y |
| 73% | RHYTHMS | 7 | Longest commonly used word with no a, e, i, o or u |
| 73% | ONE | 3 | Point value for A, E, I, O, or U in Scrabble |
| 73% | CONSONANT | 9 | Letter that isn't A, E, I, O, or U |
| 67% | VOWEL | 5 | U or I |
| 66% | SYZYGY | 6 | Highest-scoring Scrabble word that doesn't use A, E, I, O or U |
| 65% | MAG | 3 | O, Us or GQ |
| 64% | VOWEL | 5 | U or I, e.g. |
| 61% | VOWEL | 5 | E, I, E, I or O |
| 61% | VOWELS | 6 | A, E, I, O, and U |
| 60% | ALERS | 5 | A and O, but not E, I or U |
| 55% | SCHWA | 5 | Sound from an "a," "e," "i," "o," or "u," perhaps |
| 53% | VOWELS | 6 | A, E, I, O, U ... and sometimes Y |
| 53% | VOWELS | 6 | A, E, I, O and U |
| 53% | SCH | 3 | U.Va. or M.I.T. |
| 51% | CHEMICALSYMBOLS | 15 | B C F H I K N O P S U V W Y |
| 51% | ALER | 4 | O or Jay |