Reks is not often used as a baby boy name. It is not listed within the top 1000. Within the family of boy names directly related to Reks, Rex was the most frequently used in 2018.
Baby names that sound like Reks include Recks, Rex (English, French, and German), Rexe, Race, Rach, Raj (English, Indian, and Arabic), Rajesh (Indian), Rajj, Rakesh (Indian), Ras (German), Rasesh (Indian), Rash, Rashîd, Rayce, Raz (English and Hebrew), Reece (English and Welsh), Reeg, Rees (English and Welsh), Reese (English and Welsh), and Reggie (English).
† approx English pronunciation for Reks: R as in "race (R.EY.S)" ; EH as in "ebb (EH.B)" ; K as in "key (K.IY)" ; S as in "see (S.IY)"