This root form (lemma) is used in 2 different forms in the NT: Ἔραστον (AMS), Ἔραστος (NMS).
It is glossed in 1 way: ‘Erastos’.
OET ACTS 19:22 Greek word=Ἔραστον (Eraston) Morphology=AMS English gloss=‘Erastos’ SR GNT ACTS 19:22 word 16
OET ROM 16:23 Greek word=Ἔραστος (Erastos) Morphology=NMS English gloss=‘Erastos’ SR GNT ROM 16:23 word 14
OET 2TIM 4:20 Greek word=Ἔραστος (Erastos) Morphology=NMS English gloss=‘Erastos’ SR GNT 2TIM 4:20 word 1