This root form (lemma) is used in 2 different forms in the NT: πέλαγος (ANS), πελάγει (DNS).
It is glossed in 2 different ways: ‘depth’, ‘sea’.
OET MAT 18:6 Greek word=πελάγει (pelagei) Morphology=DNS English gloss=‘depth’ SR GNT MAT 18:6 word 29
OET ACTS 27:5 Greek word=πέλαγος (pelagos) Morphology=ANS English gloss=‘sea’ SR GNT ACTS 27:5 word 3