α. Scottish pre-1700 sanesyne, pre-1700 seinsyne, pre-1700 sendsyne, pre-1700 senesyn, pre-1700 senesyne, pre-1700 sensen, pre-1700 sensin, pre-1700 sensine, pre-1700 sensyn, pre-1700 sensynne, pre-1700 1900s– sensyne; English regional (northern) 1600s– sensine, 1800s sensyne.
β. Scottish pre-1700 sinseen, pre-1700 synsyne, pre-1700 1700s– sinsyne; English regional (northern) 1700s sinsaan, 1800s sinseyne.
γ. Scottish pre-1700 1700s– sincesyne, pre-1700 1700s– since syne.