α. early Middle English o nahht ( Ormulum), early Middle English o nihht ( Ormulum), Middle English o night, Middle English o nigt, Middle English onigt, Middle English o niht, Middle English o-nith, Middle English o niʒt, Middle English o nyght, Middle English o nyȝth, Middle English o nyte, Middle English onyth, Middle English oo nyȝt.
β. early Middle English anaht, Middle English a-niȝht, Middle English a-niȝt, Middle English aniȝt, Middle English a niht, Middle English aniht, Middle English a nyght, Middle English a-nyght, Middle English anyght, Middle English a nyȝt, Middle English anyȝt, Middle English anyȝte, Middle English a nyht, Middle English anyht, Middle English a nythe, Middle English a nyʒte, Middle English 1700s 2000s– a-night, Middle English (1900s– Scottish (northern)) a-nicht, Middle English–1600s a night, Middle English– anight, 1900s– a' night (U.S. regional).