Template:el-nM-ων-οντες-1
The inflection-table template for Greek nouns declining like απών (apón). Other examples may be found in the Category:Greek nouns declining like 'απών'.
The syntax {{el-nM-ων-οντες-1|απ}}
produces the table:
Declension of el-nM-ων-οντες-1
A full list of other declension-table templates with a brief indication of use can be found at Wiktionary:Greek noun inflection-table templates.