| Endings | -o | -u | -i | -y/i |
-o ending if the noun ends with -a.-a, then use the -u ending. Examples are presented in the next section.| Feminine Singular Nominative Case | Feminine Singular Vocative Case | English |
|---|---|---|
| książka | książko | a book |
| lampa | lampo | a lamp |
| chmura | chmuro | a cloud |
| ziemia | ziemio | earth |
| szyja | szyjo | neck |
| róża | różo | a rose |
| Magda | Magdo | Magda (female name) |
| żona | żono | wife |
| matka | matko | mother |
| kuzynka | kuzynko | cousin |
| dziewczyna | dziewczyno | a girl |
| kobieta | kobieto | a woman |
-u ending if the noun is a personal affectionate name and ends with a soft consonant followed by -a.| Feminine Singular Nominative Case | Feminine Singular Vocative Case | English |
|---|---|---|
| Kasia | Kasiu | Kasia (female name) |
| Zosia | Zosiu | Zosia (female name) |
| Basia | Basiu | Basia (female name) |
| niania | nianiu | nanny |
| mamusia | mamusiu | mommy |
| babcia | babciu | grandma |
| ciocia | ciociu | aunt |
-i ending if the noun ends with -i in Nominative Singular.| Feminine Singular Nominative Case | Feminine Singular Vocative Case | English |
|---|---|---|
| gospodyni | gospodyni | a housekeeper |
| pani | pani | a lady |
| bogini | bogini | a goddess |
| sprzedawczyni | sprzedawczyni | a saleswoman |
| mistrzyni | mistrzyni | a female champion |
| monarchini | monarchini | a monarchess |
| członkini | członkini | a female member |
| dawczyni | dawczyni | a female donor |
| znawczyni | znawczyni | a female expert |
-y/i ending if the noun ends with a consonant.-y or -i ending?| Feminine Singular Nominative Case | Feminine Singular Vocative Case | English |
|---|---|---|
| twarz | twarzy | a face |
| myśl | myśli | a thought |
| kość | kości | a bone |
| podpowiedź | podpowiedzi | a hint |
| noc | nocy | a night |
| rzecz | rzeczy | a thing |
| mysz | myszy | a mouse |
| powieść | powieści | a novel |
| dłoń | dłoni | a palm |
| poręcz | poręczy | a handle |
| powódź | powodzi | a flood |
| gęś | gęsi | a goose |
| oś | osi | axis |
| część | części | a part |
| sprzedaż | sprzedaży | a sale |
| kolej | kolei* | railway |
| krew | krwi | blood |
| sól | soli | salt |
| łódź | łodzi | a boat |
| gałąź | gałęzi | a branch |
| wieś | wsi | a village |
