Dilemma resolved: -s or -es in genitive singular?

Masculine and neuter substantives get the suffix -s in Genitive Singular.

Sometimes it can be -es instead of -s. How can we know when to use -s and when -es?

Do you want to learn German with me? Click here

The following substantives get the suffix -es:

  • Substantive that end in -s, -ß, -x, -tsch, -tz, -z, -zt (e.g. das Glas – des Glases)
  • many monosyllabic substantives (e.g. das Volk – des Volkes)
  • Substantive that end in -nis and -us (e.g. der Bonus – des Bonusses)

Substantive that end in -us and -os do not get any suffix in Genitive Singular (e.g. das Epos – des Epos).

If you have some other dilemmas related to the German language,  check here, maybe you’ll find the answer.

Tools, Tips and News for German language Teachers and Learners

Top