This root form (lemma) is used in 2 different forms in the NT: σφαγὴν (AFS), σφαγῆς (GFS).
It is glossed in 2 different ways: ‘the slaughter’, ‘of slaughter’.
OET ACTS 8:32 Greek word=σφαγὴν (sfagaʸn) Morphology=AFS English gloss=‘the slaughter’ SR GNT ACTS 8:32 word 14
OET ROM 8:36 Greek word=σφαγῆς (sfagaʸs) Morphology=GFS English gloss=‘of slaughter’ SR GNT ROM 8:36 word 14
OET JAM 5:5 Greek word=σφαγῆς (sfagaʸs) Morphology=GFS English gloss=‘of slaughter’ SR GNT JAM 5:5 word 16