α. Middle English amarvel, Middle English amerueil, Middle English amervayl, Middle English amervel, Middle English amerveyl, Middle English 1600s amarvail, Middle English–1500s ameruail, Middle English–1500s ameruayl, Middle English–1500s ameruel, Middle English–1500s amerueyl, 1500s amarueil, 1500s amaruel, 1500s amarueyl, 1500s amarveil, 1500s ameruayle; Scottish pre-1700 amervail, pre-1700 amervel.
β. late Middle English admeruayl, late Middle English admerueyl, 1500s admaruail, 1500s adueruayll (transmission error).