Ἰσαάκ Save Abbott-Smith NT Number of occurrences in NT: 20Strong 2464 Ἰσαάκ (in MSS. sometimes -σάκ; cf. Deiss., BS, 189; Thack., Gr., 100), ὁ, indecl. (in FlJ, Ἴσακος, -ου), (Heb. יִצְחָק), Isaac (Ge 17:19, al.): Mt 1:2, Ro 9:10, al.