| 日本語 | jpn-000 |
| スムース | |
| čeština | ces-000 | hladký |
| Deutsch | deu-000 | geschmeidig |
| Deutsch | deu-000 | glatt |
| Deutsch | deu-000 | reibungslos |
| ελληνικά | ell-000 | ομαλός |
| English | eng-000 | calm |
| English | eng-000 | even |
| English | eng-000 | flat |
| English | eng-000 | glib |
| English | eng-000 | ingratiating |
| English | eng-000 | level |
| English | eng-000 | mellow |
| English | eng-000 | polished |
| English | eng-000 | serene |
| English | eng-000 | smooth |
| English | eng-000 | suave |
| English | eng-000 | tranquil |
| English | eng-000 | unhindered |
| suomi | fin-000 | kitkaton |
| suomi | fin-000 | sujuva |
| français | fra-000 | doux |
| français | fra-000 | facile |
| français | fra-000 | régulier |
| magyar | hun-000 | zökkenőmentes |
| italiano | ita-000 | dolce |
| italiano | ita-000 | facile |
| italiano | ita-000 | soffice |
| 日本語 | jpn-000 | スムーズ |
| にほんご | jpn-002 | スムース |
| にほんご | jpn-002 | スムーズ |
| нихонго | jpn-153 | суму:дзу |
| нихонго | jpn-153 | суму:су |
| Nederlands | nld-000 | vlot |
| português | por-000 | suave |
| русский | rus-000 | гла́дкий |
| Kiswahili | swh-000 | laini |