α. see nose n. and thirl n.1; also Middle English nosederl.
β. Middle English noise thrill, Middle English noos thrill, Middle English noose thilles (plural, transmission error), Middle English nosethrille, Middle English nosethrylle, Middle English noseþrell, Middle English noseþrill, Middle English noseþrull, Middle English noseþryll, Middle English noseþrylle, Middle English nosse þrell, Middle English nossethrel, Middle English noysthryll, Middle English–1500s nosethrell, Middle English–1500s nosethryl, Middle English–1500s nosethryll, Middle English–1600s (1900s– archaic) nosethrill, 1500s noosthril, 1500s noosthrill, 1500s nosethrel, 1500s nosethryle, 1500s–1600s (1800s– English regional and archaic) nosethril.
γ. Middle English nosesterl, Middle English nosestirk (transmission error), Middle English–1500s nosetrell, Middle English 1600s nosetril, 1500s nosestrell, 1500s nosestryll, 1500s nosetrel, 1600s nosestrill, 1800s– nose-tirrel (English regional (northern)), 1800s– nosetirl (Scottish (northern)).
δ. Scottish pre-1700 nose thirsles, pre-1700 nose thrysles.