| Language | Family | Form for SMOOTH | Gloss for SMOOTH | Form for FLAT | Gloss for FLAT |
|---|---|---|---|---|---|
| Estonian | Uralic | tasane | smooth | tasane | flat |
| Finnish | Uralic | tasainen | smooth | tasainen | flat |
| Hungarian | Uralic | sima | smooth | sima | flat |
| Mari | Uralic | 'tör̃ | smooth | 'tör̃ | flat |
| Selkup | Uralic | nur̃ḳɨlʸ | smooth | nur̃ḳɨlʸ | flat |
| Azerbaijani (Terekeme dialect) | Turkic | дуьз | smooth | дуз | flat |
| Old Irish | Indo-European | rēid | smooth | rēid | flat |
| Irish | Indo-European | réidh | smooth | réidh | flat |
| Lithuanian | Indo-European | lýgus | smooth | lýgus | flat |
| Latvian | Indo-European | gluds | smooth | gluds | flat |
| Sanskrit | Indo-European | sama- | smooth | sama- | flat |
| Persian | Indo-European | hæmvɑr | smooth | hæmvɑr | flat |
| Ancient Aramaic | Afro-Asiatic | špē | smooth | špē | flat |
| Tuamotuan | Austronesian | faka.ŋā.ere | smooth | faka.ŋā.ere | flat |
| Chipaya | Uru-Chipaya | lʸanu | smooth | lʸanu | flat |
| Mocoví | Guaicuruan | n-alo-ʔoh-taʔ | smooth | n-alo-ʔoh-taʔ | flat |
| Andi | Nakh-Daghestanian | гьарчІчІи | smooth | гьарчІчІи | flat |
| Akhvakh (Northern dialect) | Nakh-Daghestanian | кьІабадабе | smooth | кьІабадабе | flat |
| Central Thai | Tai-Kadai | riap.3 | smooth | riap.3 | flat |
| Thai (Korat variety) | Tai-Kadai | sa.5 mɣ:.1 | smooth | sa.5 mɣ:.1 | flat |
| Tai Khün | Tai-Kadai | pe:ŋ.1 | smooth | pe:ŋ.1 | flat |
| Dargwa (Tsudakhar dialect, Tanty subdialect) | Nakh-Daghestanian | диркьсе | smooth | диркьсе | flat |
| Dargwa (Usisha dialect) | Nakh-Daghestanian | диркьсе | smooth | диркьсе | flat |
| Kumyk (Kajtak dialect) | Turkic | тегиш | smooth | тегиш | flat |
| Kumyk (Ter Bragun dialect) | Turkic | тюз | smooth | тюз | flat |
| Bezhta (Tlyadal dialect, Karauzek subdialect) | Nakh-Daghestanian | битIараб | smooth | битІараб | flat |
| Tsova-Tush | Nakh-Daghestanian | нипсиᴴ | smooth | нипсиᴴ | flat |
| Archi (variety 2) | Nakh-Daghestanian | чулаттут | smooth | чулаттут | flat |
| Dargwa (Khajdak dialect) | Nakh-Daghestanian | лигъянкай | smooth | лигъянкай | flat |
| Archi (variety 1) | Nakh-Daghestanian | чулаттут | smooth | чулаттут | flat |
| Marathi | Indo-European | sapaːʈ | smooth | sapaːʈ | flat |
| Azerbaijani | Turkic | һамар | smooth | һамар | flat |
| Kumyk | Turkic | тегиш | smooth | тегиш | flat |
| Mlabri | Austroasiatic | tha lu | smooth | tha lu | flat |
| Phong | Austroasiatic | lian.42 | smooth | lian.42 | flat |
| Chong | Austroasiatic | səmə:.A | smooth | səmə:.A | flat |
| KNB (a Pearic variety) | Austroasiatic | ri:əp | smooth | ri:əp | flat |
| Surin Khmer | Austroasiatic | ri:əp | smooth | ri:əp | flat |
| Buru | Austronesian | em+ribe | smooth | em+ribe | flat |
| Dela | Austronesian | ɓeɓelaʔ | smooth | ɓeɓelaʔ | flat |
| Jingpho | Sino-Tibetan | ra | smooth | ra | flat |
| rGyalrong (Ganzi Danba Badi Munashan) | Sino-Tibetan | ˊkə ᵇdiŋ | level and smooth | ˊkə ᵇdiŋ | flat |
| rGyalrong (Maerkang Bola (A)) | Sino-Tibetan | kǝ22 ntap44 | level and smooth | kǝ22 ntap44 | flat |
| Turkish | Turkic | dyz | smooth | dyz | flat |
| Kildin Saami | Uralic | njoll’kes’ | smooth | njoll’kes’ | flat |
| Old High German | Indo-European | eban(i) | smooth | eban(i) | flat |
| Romanian | Indo-European | neted | smooth | neted | flat |
| Yaqui | Uto-Aztecan | chitabetalai | smooth | chitabetalai | flat |
This edge appears in cluster
and subgraphs
CLICS³