α. Middle English cleoue, Middle English–1600s cleue, Middle English 1600s 1800s cleve, 1500s cleaue, 1500s–1600s cleeue, 1500s–1600s clieue, 1500s– cleeve, 1800s cleave.
β. Middle English cleef, Middle English clef, Middle English clefe, Middle English cleyffez (plural), Middle English clieffe, Middle English clyef, 1500s–1600s clief; N.E.D. (1889) also records a form Middle English cleof.