Appendix:Finnish nominal inflection/kalleus

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KOTUS type 40 (kalleus) NSK type 65 (kalleus)

Nominals ending with -(u)us/-(y)ys — these are mainly nouns formed from nouns and adjectives using the suffix -uus. See also type vastaus.

Inflectional stem replaces -s with -te-, which is subject to td consonant gradation. Before the plural marker -i-, -s is instead replaced with -ks-.

Partitive singular ending -ta/-tä, attached to the inflectional stem without the -e-, partitive plural ending -a/ and genitive plural ending -en.


ends with -us ends with -ys

Consonant gradation detail[edit]


grade t → d
nominative mutated kauneus
genitive weak kauneuden
partitive strong kauneutta
elative weak kauneudesta
illative strong kauneuteen

Complete declension example highlighting consonant gradation (t → d)[edit]