α. Middle English briboure, Middle English bribowre, Middle English bribur, Middle English bryboure, Middle English brybowre, Middle English brybur, Middle English–1500s bribour, Middle English–1600s brybour, late Middle English brybore, late Middle English (in a late copy)–1500s brybor, 1500s briebor, 1500s–1600s bribor.
β. Middle English–1500s bryber, Middle English– briber, 1500s bribar, 1500s brybare, 1500s–1600s brybar.