| 日本語 | jpn-000 |
| のっぺらぼう | |
| English | eng-000 | featureless |
| English | eng-000 | flat |
| English | eng-000 | lacking bumps and dents |
| English | eng-000 | monotone |
| English | eng-000 | monotonic |
| English | eng-000 | smooth |
| English | eng-000 | uneventful |
| suomi | fin-000 | monotoninen |
| português | por-000 | monotônico |