α. early Middle English bacchus, early Middle English bachouse, early Middle English bachuse, early Middle English bæchus, Middle English backehowse, Middle English bakhows, Middle English bakhusse, Middle English bakkehowse, Middle English bakkhows, Middle English bakkows, Middle English–1500s bachous, Middle English–1500s bakhous, Middle English–1500s bakhowse, Middle English–1600s backehouse, 1500s backhous, 1500s bakkehouse, 1500s–1600s backhouse; English regional (chieflynorthern and north midlands) 1700s–1800s backhouse, 1800s backas, 1800s backus, 1800s bake'us (Shropshire), 1800s bakhouse, 1800s bakhus, 1800s–1900s bak'hus', 1800s–1900s bakus; Scottish pre-1700 backhous, pre-1700 bakhous, pre-1700 bakhouse, pre-1700 bakhows, pre-1700 bakhus; N.E.D (1885) also records a form Middle English bakkehouse.
β. early Middle English bakehus, Middle English bakehuse, Middle English 1600s bakehous, Middle English–1600s bakehowse, Middle English– bakehouse, 1800s baaykooze (Irish English (Wexford)); Scottish pre-1700 baickhouse, pre-1700 baikhous, pre-1700 baikhouse, pre-1700 beackhous, pre-1700 beakhouse.