This root form (lemma) is used in 3 different forms in the NT: κοίταις (DFP), κοίτη (NFS), κοίτην (AFS).
It is glossed in 4 different ways: ‘in sexual_intercourse’, ‘bed’, ‘bed be’, ‘sexual_intercourse’.
OET LUKE 11:7 Greek word=κοίτην (koitaʸn) Morphology=AFS English gloss=‘bed’ SR GNT LUKE 11:7 word 29
OET ROM 9:10 Greek word=κοίτην (koitaʸn) Morphology=AFS English gloss=‘sexual_intercourse’ SR GNT ROM 9:10 word 9
OET ROM 13:13 Greek word=κοίταις (koitais) Morphology=DFP English gloss=‘in sexual_intercourse’ SR GNT ROM 13:13 word 11
OET HEB 13:4 Greek word=κοίτη (koitaʸ) Morphology=NFS English gloss=‘bed be’ SR GNT HEB 13:4 word 8