ka'los, beautiful—caligraphy, calotype, kaleidoscope (skopein).
kal'uptein, to conceal—apocalypse.
kan'on, a rule—canon, canonical, canonize.
kar'dia, the heart—cardiac, pericardium.
ken'os, empty—cenotaph.
keph'ale, the head—acephalous, hydrocephalus (hydor).
ker'as, a horn—rhinoceros.
kle'ros, a portion—clergy, clerical, clerk, clerkship.
kli'max, a ladder—climax.
kli'nein, to bend—clinical, recline.