Noun Declensions (sung to the tune "Ode to Joy")
by David R. Pellegrino
N.B. Sing the endings without spelling them.

  (1st half of the Ode)   (1st half of the Ode)   (2nd half of the Ode)
 
  1st Declension     2nd Declension - m.(f.)   2nd Declension - n.
  s. pl.     s. pl.     s. pl.
Nom. -a -ae   Nom. -us -i   Nom. -um -a
Gen. -ae -arum   Gen. -i  -orum   Gen. -i  -orum
Dat. -ae -îs   Dat. -o -îs   Dat. -o -îs
Acc. -am -as   Acc. -um -os   Acc. -um -a
Abl. -îs   Abl. -o -îs   Abl. -o -îs
 
are endings for 
nouns of First Declension, 
mostly feminine, 
few masculine.
  are endings for 
nouns of Second Declension, 
mostly masculine, 
few feminine.
  are endings for 
Second Declension 
neuter nouns 
in which the neuter rule is found.
 
  (1st half of the Ode)   (2nd half of the Ode)
 
  3rd Declension - m.f.   3rd Declension - n.
  s. pl.     s. pl.    
Nom. --- -es   Nom. --- -a  
Gen. -is -um   Gen. -is -um  
Dat. -i -ibus   Dat. -i -ibus  
Acc. -em -es   Acc. --- -a  
Abl. -e -ibus   Abl. -e -ibus  
 
endings for 
nouns of Third Declension 
that are masculine and feminine.
  endings for 
Third Declension neuter nouns 
in which the neuter rule 
is found.
 
 
  (1st half of the Ode)   (2nd half of the Ode) (1st half of the Ode)
 
  4th Declension - m.(f.)   4th Declension - n.   5th Declension
  s. pl.     s. pl.   s. pl.
Nom. -us -ûs   Nom. -u -ua Nom. -es -es
Gen. -ûs -uum   Gen. -ûs  -uum Gen. -ei  -erum
Dat. -ui -ibus   Dat. -u -ibus Dat. -ei -ebus
Acc. -um -ûs   Acc. -u -ua Acc. -em -es
Abl. -u -ibus   Abl. -u -ibus Abl. -e -ebus
for
nouns of Fourth Declension
mostly masculine, 
few feminine.
are for
Fourth Declension
neuter nouns
in which the neuter rule  
is found.
nouns of Fifth Declension 
mostly feminine
one masculine.