From Proto-Finnic *rautainën, equivalent to rauta (“iron”) + -in. Cognates include Finnish rautainen and Estonian raudne.
rautain (comparative rautaisemp)
| Declension of rautain (type 1/kärpäin, no gradation) | ||
|---|---|---|
| singular | plural | |
| nominative | rautain | rautaiset |
| genitive | rautaisen | rautaisiin |
| partitive | rautaista, rautaist | rautaisia |
| illative | rautaisee | rautaisii |
| inessive | rautaisees | rautaisiis |
| elative | rautaisest | rautaisist |
| allative | rautaiselle | rautaisille |
| adessive | rautaiseel | rautaisiil |
| ablative | rautaiselt | rautaisilt |
| translative | rautaiseks | rautaisiks |
| essive | rautaisenna, rautaiseen | rautaisinna, rautaisiin |
| exessive1) | rautaisent | rautaisint |
| 1) obsolete *) the accusative corresponds with either the genitive (sg) or nominative (pl) **) the comitative is formed by adding the suffix -ka? or -kä? to the genitive. | ||
| Soikkola declension of rautain (type 1/kärpäin, aut-avv gradation) | ||
|---|---|---|
| singular | plural | |
| nominative | rautain | rautaiset, rautaist |
| genitive | rautaisen | rautaisiin |
| partitive | ravvaista, ravvaist | rautaisia |
| illative | rautaisee | rautaisii |
| inessive | rautaisees | rautaisiis |
| elative | rautaiseest | rautaisiist |
| allative | rautaiselle | rautaisille |
| adessive | rautaiseel | rautaisiil |
| ablative | rautaiseelt | rautaisiilt |
| translative | rautaiseeks | rautaisiiks |
| essive | rautaiseen | rautaisiin |
| exessive1) | rautaiseent | rautaisiint |
| 1) obsolete *) the accusative corresponds with either the genitive (sg) or nominative (pl) | ||