| singular | plural | |
|---|---|---|
| nominative | myv-noun-pej | myv-noun-pejть (myv-noun-pejť) |
| genitive | {{{1}}}ень ({{{1}}}eń) | — |
| dative | myv-noun-pejнень (myv-noun-pejneń) | — |
| ablative | myv-noun-pejде (myv-noun-pejde) | — |
| inessive | myv-noun-pejсэ (myv-noun-pejsë) | — |
| elative | myv-noun-pejстэ (myv-noun-pejstë) | — |
| illative | myv-noun-pejс (myv-noun-pejs) | — |
| prolative | myv-noun-pejга (myv-noun-pejga) | — |
| translative | myv-noun-pejкс (myv-noun-pejks) | — |
| comparative | myv-noun-pejшка (myv-noun-pejška) | — |
| abessive | myv-noun-pejтеме (myv-noun-pejteme) | — |
The first unnamed, mandatory param is the term minus the final -й, e.g., {{myv-noun-pej|пе}} for пей (pej).
Use sg=1 for terms that don't have plural (e.g., proper nouns.)
See also: Appendix:Erzya declension.