ActsThom 253:17 :ܓܘܪܐ݁܂ ܪܝܫܐ ܕܟܠܗܝܢ ܒܝ݂̈ܫܬܐ‏ : adultery, the worst of all those evils
See the entire entry for rēš, rēšā n.m. head; top; chief