• ὦ γύναι, μεγάλη σου ἡ πίστις, O woman, great [is] your faith! (Matt. 15:28) The genitive case is primarily the describing case. It is older than the adjective and, in fact, is basically adjectival in function. But the genitive is more emphatic than the adjective: “body of sin” (Rom. 6:6) carries more semantic weight than “sinful body.” The genitive is usually related to another substantive, but that relationship is often ambiguous. “The revelation of Jesus Christ” (Rev. 1:1)