This root form (lemma) is used in 2 different forms in the NT: Πέργαμον (AFS), Περγάμῳ (DFS).
It is glossed in 1 way: ‘Pergamos’.
OET REV 1:11 Greek word=Πέργαμον (Pergamon) Morphology=AFS English gloss=‘Pergamos’ SR GNT REV 1:11 word 39
OET REV 2:12 Greek word=Περγάμῳ (Pergamōi) Morphology=DFS English gloss=‘Pergamos’ SR GNT REV 2:12 word 6