α. Middle English deleitable, Middle English deletable, Middle English delitabil, Middle English delitabyl, Middle English deliteable, Middle English delittable, Middle English delittabyl, Middle English delytabul, Middle English delyttabyl, Middle English dilatable, Middle English diletabile, Middle English dilitable, Middle English dylitabile, Middle English–1500s delitable, Middle English–1500s delytable, 1500s deleetable; Scottish pre-1700 delitabill, pre-1700 delitable, pre-1700 delytabil, pre-1700 delytabile, pre-1700 delytabill, pre-1700 delytable, pre-1700 delytabylle, pre-1700 dylitabylle.
β. 1600s– delightable.
