3rd declension Nouns


  1. determine declension group by looking at the Genitive ending

  2.  
    -ae = 1st declension
    = 2nddeclension
    -is = 3rd declension
  3. To find the stem, drop the genitive ending (-ae, -î, -is) from the genitive form

     
  1. Add the correct set of endings to the noun according to its declension group
Case endings


 
1st decl.
2nd decl. m.
2nd decl n.
3rd decl. m/f
3rd decl. n
  s. pl. s. pl. s. pl. s. pl. s. pl.
Nom -a -ae -us/-r -î -um -a unpredictable -ês unpredictable -a
Gen -ae -ârum -î -ôrum - î -ôrum -is -um -is -um
Dat -ae -îs -îs -îs -î -ibus -î -ibus
Acc -am -âs -um -ôs -um -a -em -ês unpredictable -a
Abl -îs -îs -îs -e -ibus -e -ibus
Voc -a -ae -e/-r -î -um -a unpredictable -ês unpredictable -a

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