This root form (lemma) is used in 3 different forms in the NT: κανόνα (AMS), κανόνι (DMS), κανόνος (GMS).
It is glossed in 2 different ways: ‘by principle’, ‘domain’.
OET 2COR 10:13 Greek word=κανόνος (kanonos) Morphology=GMS English gloss=‘domain’ SR GNT 2COR 10:13 word 14
OET 2COR 10:15 Greek word=κανόνα (kanona) Morphology=AMS English gloss=‘domain’ SR GNT 2COR 10:15 word 23
OET 2COR 10:16 Greek word=κανόνι (kanoni) Morphology=DMS English gloss=‘domain’ SR GNT 2COR 10:16 word 9
OET GAL 6:16 Greek word=κανόνι (kanoni) Morphology=DMS English gloss=‘by principle’ SR GNT GAL 6:16 word 4