| 100% | EIEIO | 5 | Vowels sung in "Old McDonald Had a Farm" |
| 68% | EIO | 3 | Vowel trio in "Old MacDonald Had a Farm" |
| 65% | EIEIO | 5 | String of nonsense letters in "Old McDonald Had a Farm" |
| 65% | EIO | 3 | Vowels in "Old MacDonald Had a Farm" |
| 62% | EIEIO | 5 | String of letters sung in "Old MacDonald Had a Farm" |
| 59% | EIEIO | 5 | "Old McDonald had a farm, ____" |
| 58% | EIEIO | 5 | Letters in the chorus of "Old McDonald Had a Farm" |
| 55% | EIEIO | 5 | Vowels sung after "and on that farm he had a duck" |
| 54% | EIO | 3 | "Old MacDonald Had a Farm" ending vowels |
| 54% | EIO | 3 | Vowels that end "Old MacDonald Had a Farm" |
| 53% | MACDONALD | 9 | Old man who had a farm in a nursery rhyme |
| 53% | BAAS | 4 | Sounds in "Old MacDonald Had a Farm" |
| 53% | OINK | 4 | Sound in "Old MacDonald Had a Farm" |
| 53% | MOO | 3 | Sound in "Old MacDonald Had a Farm" |
| 52% | EIO | 3 | Last letters in "Old MacDonald Had a Farm" |
| 52% | OINK | 4 | Pig sound in "Old MacDonald Had a Farm" |
| 49% | OINKS | 5 | There are eight in "Old MacDonald Had a Farm" |
| 49% | MOO | 3 | Cow's sound in "Old MacDonald Had a Farm" |
| 49% | OINK | 4 | One of eight in "Old MacDonald Had a Farm" |
| 47% | STANZA | 6 | Each animal has one in "Old MacDonald Had a Farm" |
| 47% | EIEIO | 5 | String of nonsense letters in "Old MacDonald Had a Farm" |
| 44% | EIEIO | 5 | "Old MacDonald had a farm, ___" |
| 44% | EIO | 3 | Vowels at the end of "Old MacDonald Had a Farm" |
| 44% | MACDONALD | 9 | Old __ had a farm, E-I-E-I-O |
| 44% | OINKS | 5 | "Old MacDonald Had a Farm" sounds |
| 44% | MOOS | 4 | "Old MacDonald Had a Farm" sounds |
| 44% | MOO | 3 | "Old MacDonald Had a Farm" sound |
| 44% | BAAS | 4 | "Old MacDonald Had a Farm" sounds |
| 44% | EIO | 3 | "Old MacDonald had a farm..." ender |
| 44% | OINK | 4 | "Old MacDonald Had a Farm" sound |