Idem Sonans
The Cyclopedic Law Dictionary · Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
The Cyclopedic Law Dictionary
Sounding the same. A term applied to names which are spelled differently, but have substantially the same sound; the difference in spelling being held in such case not to constitute a variance.
Thus, "Hutson" for "Hudson" (7 Miss. 142), "Keen" for "Keene" (Thach. C. C. [Mass.] 67), and "Deadema" for "Diadema" (2 Ired. [N. C] 346).