α. Old English afearra (Northumbrian), Old English afeorran (rare), Old English aferran (rare), Old English affirran, Old English afierran, Old English afirran, Old English afyrran, Old English anefirde (past tense, transmission error), Old English ateored (past tense, transmission error), late Old English æfirran, late Old English æfyrran, late Old English afiorran (Kentish), early Middle English afirre, early Middle English afyrre, Middle English aferre, Middle English–1500s afferre.
β. Old English afearrian (Anglian), Old English afeorrian, Old English afirria (Northumbrian), Old English afyrrian, late Old English æfiorrian, late Old English afeorian, late Old English aferrian, early Middle English afyrȝe.