| Word | Plural Form | % Correct |
|---|---|---|
| Butterfly | Butterflies | 100%
|
| Honey | Honey | 100%
|
| Highlight | Highlights | 96%
|
| Bus | Buses | 94%
|
| Island | Islands | 94%
|
| Luggage | Luggages | 93%
|
| Sand | Sand | 93%
|
| City | Cities | 89%
|
| District | Districts | 89%
|
| Streamer | Streamers | 89%
|
| Agriculture | Agricultures | 87%
|
| Cooperation | Cooperations | 87%
|
| Building | Buildings | 85%
|
| Enclosed | Enclosed | 85%
|
| Food | Foods | 85%
|
| Shallow | Shallow | 85%
|
| Appreciation | Appreciations | 83%
|
| Phone | Phones | 81%
|
| Valley | Valleys | 81%
|
| Application | Applications | 80%
|
| Melody | Melodies | 80%
|
| Migration | Migrations | 80%
|
| Rain | Rain | 80%
|
| Space | Spaces | 80%
|
| Volcano | Volcanoes | 80%
|
| Fling | Flings | 76%
|
| Competition | Competitions | 74%
|
| Refraction | Refractions | 70%
|
| Airplane | Airplanes | 67%
|
| Indonesian | Indonesians | 67%
|
| Antonym | Antonyms | 65%
|
| Guitar | Guitars | 59%
|
| Tire | Tires | 59%
|
| Football Stadium | Football Stadiums | 56%
|
| Door Handle | Door Handles | 54%
|
| Stair | Stairs | 54%
|