| Language | Family | Form for SMOOTH | Gloss for SMOOTH | Form for SOFT | Gloss for SOFT |
|---|---|---|---|---|---|
| De'kwana | Cariban | tɨwansuʔde | smooth | tɨwansuʔde | soft |
| Spanish | Indo-European | suave | smooth | suave | soft |
| Portuguese | Indo-European | macio | smooth | macio | soft |
| Old High German | Indo-European | sleht | smooth | sleht | soft |
| Romani | Indo-European | kovlo | smooth | kovlo | soft |
| Hausa | Afro-Asiatic | laushi | smooth | laushi | soft |
| Nahuatl (Sierra de Zacapoaxtla variety) | Uto-Aztecan | yemaš-c̷in | smooth | yemaš-c̷in | soft |
| Ignaciano | Arawakan | timahu | smooth | timahu | soft |
| Araona | Pano-Tacanan | pena-pena | smooth | pena-pena | soft |
| Araona | Pano-Tacanan | semihi | smooth | semihi | soft |
| Tacana | Pano-Tacanan | noc̷a-da | smooth | noc̷a-da | soft |
| Kaingáng | Nuclear-Macro-Je | hɔhow | smooth | hɔhow | soft |
| Kaingáng | Nuclear-Macro-Je | kanɛr | smooth | kanɛr | soft |
| Nivaclé | Matacoan | kaɬip | smooth | kaɬip | soft |
| Mapudungun | Araucanian | paɲus | smooth | paɲus | soft |
| Yagán | Yámana | kutalu | smooth | kutalu | soft |
| Telugu | Dravidian | mṛduwu | smooth | mṛduwu | soft |
| Tibetan | Sino-Tibetan | jampo | smooth | jam po | soft |
| Tibetan (Written) | Sino-Tibetan | 'jampa | smooth | jam◦pa | soft |
| Tsangla (Motuo) | Sino-Tibetan | dʑampo | smooth | dʑampo | soft |
| Imbabura Quechua | Quechuan | amuklla | smooth | amuklla | soft |
| Q'eqchi' | Mayan | q'un | smooth | q'un | soft |