This root form (lemma) is used in 2 different forms in the NT: Βιθυνίαν (AFS), Βιθυνίας (GFS).
It is glossed in 1 way: ‘Bithunia’.
OET ACTS 16:7 Greek word=Βιθυνίαν (Bithunian) Morphology=AFS English gloss=‘Bithunia’ SR GNT ACTS 16:7 word 12
OET 1PET 1:1 Greek word=Βιθυνίας (Bithunias) Morphology=GFS English gloss=‘Bithunia’ SR GNT 1PET 1:1 word 14