This root form (lemma) is used in 4 different forms in the NT: ἰατρέ (VMS), ἰατροῦ (GMS), ἰατρὸς (NMS), ἰατρῶν (GMP).
It is glossed in 3 different ways: ‘of a doctor’, ‘doctor’, ‘doctors’.
OET MARK 2:17 Greek word=ἰατροῦ (iatrou) Morphology=GMS English gloss=‘of a doctor’ SR GNT MARK 2:17 word 13
OET MARK 5:26 Greek word=ἰατρῶν (iatrōn) Morphology=GMP English gloss=‘doctors’ SR GNT MARK 5:26 word 7
OET MAT 9:12 Greek word=ἰατροῦ (iatrou) Morphology=GMS English gloss=‘of a doctor’ SR GNT MAT 9:12 word 12
OET LUKE 4:23 Greek word=ἰατρέ (iatre) Morphology=VMS English gloss=‘doctor’ SR GNT LUKE 4:23 word 11
OET LUKE 5:31 Greek word=ἰατροῦ (iatrou) Morphology=GMS English gloss=‘of a doctor’ SR GNT LUKE 5:31 word 15
OET COL 4:14 Greek word=ἰατρὸς (iatros) Morphology=NMS English gloss=‘doctor’ SR GNT COL 4:14 word 5