α. Middle English myxcioun, Middle English myxcyon, Middle English myxyon, Middle English–1500s mixioun, Middle English–1500s myxcion, 1500s myxion, 1500s–1600s mixion; Scottish pre-1700 mixioun.
β. late Middle English mixtioun, late Middle English myxtioun, late Middle English myxtyon, late Middle English myztioun, late Middle English–1500s myxtion, late Middle English– mixtion, 1600s mixttion (perhaps transmission error); Scottish pre-1700 mextioun, pre-1700 mextioune, pre-1700 mixitioun, pre-1700 mixteoun, pre-1700 mixtion, pre-1700 mixtioun, pre-1700 mixtioune, pre-1700 myxtioun.