1. Types of vowel harmony
| | Finn. | Seto | Er. | HMr | MMr | Ud. | Hun. | SMn | SKh | VKh | Nga. | Ka. |
| type | FB | FB | CFB | FB | R, FB | FB | FB, R | FB | (C)FB | FB | qR, FB | FB, T |
- Finnish, Seto, Hill Mari, Udmurt,1) Southern Mansi, Vakh/Vasyugan Khanty
-
front/back
- Erzya
-
consonant-vowel harmony with non-palatalized/palatalized and front/back alternation
- Southern Khanty
-
front/back alternation with some influence of palatalized consonants
- Meadow Mari
-
dominant rounding harmony with front/back alternation in labialized environment
- Hungarian
-
dominant front/back harmony with restricted rounding harmony
- Nganasan
-
quasi-rounding harmony (basically rounding, although with many exceptions) and front/back harmony (parasitic on the feature high)
- Kamas
-
front/back harmony, total (full) harmony