Template:el-nM-ων-ωνες-1

The inflection-table template for Greek nouns declining like αγών (agón). Other examples may be found in the Category:Greek nouns declining like 'αγών'.

The syntax {{el-nM-ων-ωνες-1|αγ}} produces the table:

A full list of other declension-table templates with a brief indication of use can be found at Wiktionary:Greek noun inflection-table templates.