α. early Old English auuel, Old English aul- (rare, inflected form), Old English awel, Old English awl- (inflected form), Old English awul, early Middle English aule (south-west midlands), early Middle English houeles (plural), early Middle English houles (plural), early Middle English howeles (plural), early Middle English ouȝles (plural), early Middle English ovle, early Middle English owle, early Middle English owul, Middle English oule, Middle English owekes (plural, transmission error), Middle English owel.
β. Chiefly west midlands early Middle English eaule, early Middle English eawle, early Middle English ewel, early Middle English ewle.
γ. Middle English newle (south-west midlands), Middle English nowle.