|KOTUS type 30 (veitsi)||NSK types 47 (veitsi) and 48 (peitsi)|
A small number of nominals ending in -tsi only. No consonant gradation.
Declension is the same as lapsi, except that the genitive plural ending -ten is rare.
Inflectional stem replaces -i with -e-. -e- of stem dropped before plural marker -i-.
When the partitive singular ending -ta/-tä and genitive plural ending -ten are attached, the consonant before the s is dropped. Genitive plural ending -en also possible. Partitive plural ending -a/-ä.
(no a, o or u)