|KOTUS type 25 (toimi)||NSK types 35–37 (lumi, tuomi and niemi)|
Two-syllable nominals ending with -mi; no consonant gradation.
Declension is similar to [[../uni|uni]]. Inflectional stem replaces -i with -e-. -e- of stem dropped before plural marker -i-.
If the partitive singular ending -ta/-tä or genitive plural -ten are attached to the basic stem, the -m- becomes -n-. Alternatively, partitive singular -a-/-ä and genitive plural ending -en on the inflectional stem are accepted. Partitive plural ending -a/-ä.
| back vowels
(contains a, o or u)
| front vowels|
(no a, o or u)