α. Scottish pre-1700 schybald, pre-1700 scybald, pre-1700 skybalde, pre-1700 1700s–1800s skybald, 1700s skaibald, 1700s skeplet, 1800s skeibalt, 1800s skibbald, 1800s skybauld, 1900s skeibult, 1900s skybalt; English regional (Northumberland) 1800s skybelt.
β. Scottish pre-1700 skable, pre-1700 skaybell, pre-1700 skybell, pre-1700 skybill, 1700s scyball, 1700s scybell, 1800s scybel, 1800s scybil, 1800s scypal, 1800s skebal, 1800s skebel, 1800s skible, 1800s skyball, 1800s skybil, 1800s skyble, 1800s skypel, 1800s–1900s skyple, 1800s– skybal, 1800s– skypal; English regional (Cumberland) 1800s scyble, 1800s skeybel, 1800s skybel; Irish English (northern) 1800s–1900s skibel, 1800s– skyble, 1900s– skible, 1900s– skybal.