Philo Judaeus De Mutatione Nominum 61

[61] And it is only lately that I heard an ungodly and impious man mocking and ridiculing these things, who ventured to say, "Surely they are great and exceeding gifts which Moses says that the Ruler of the universe offers, who, by the addition of one element, the one letter alpha, a superfluous element; ¹ and then again adding another element, the letter rho, appears to have bestowed upon men a most marvellous and great benefit; for he has called the wife of Abram Sarrah instead of Sarah, doubling the Rho," and connecting a number of similar arguments without drawing breath, and joking and mocking, he went through many instances.