α. Middle English chokke-full, 1700s chocque-full, 1700s– chock-full, 1800s chock-ful, 1900s– choc-ful, 2000s– choc-full.
β. Middle English cheke-full.
γ. 1600s–1800s choke-full, 1900s– choke-ful, 1600s–1800s choak-full, 1800s choak-ful.
δ. chiefly English regional and U.S. regional 1700s– chuck-full, 1900s– chuck-ful, 1900s– chuck-vull (Devon).