| Word | Plurals | % Correct |
|---|---|---|
| Die | Dies | 95%
|
| Bus | Buses | 93%
|
| Cloth | Clothes | 93%
|
| Cactus | Cactuses | 91%
|
| Cloth | Cloths | 91%
|
| Formula | Formulas | 91%
|
| Medium | Mediums | 91%
|
| Radius | Radiuses | 91%
|
| Roof | Roofs | 91%
|
| Cactus | Cacti | 89%
|
| Mouse | Mouses | 88%
|
| Octopus | Octopuses | 88%
|
| Penny | Pennies | 88%
|
| Focus | Focuses | 86%
|
| Mouse | Mice | 86%
|
| Louse | Louses | 84%
|
| Octopus | Octopi | 84%
|
| Genius | Geniuses | 81%
|
| Genus | Genuses | 81%
|
| Radius | Radii | 81%
|
| Focus | Foci | 74%
|
| Formula | Formulae | 74%
|
| Roof | Rooves | 74%
|
| Medium | Media | 72%
|
| Louse | Lice | 70%
|
| Die | Dice | 67%
|
| Genius | Genii | 67%
|
| Bus | Busses | 65%
|
| Penny | Pence | 37%
|
| Ethos | Ethe | 33%
|
| Genus | Genera | 28%
|
| Ethos | Ethea | 12%
|