Adrenal - ad, toward + ren, kidney.⏎
Colliculus - colliculus, little hill.⏎
Arytenoid - arytaina, pitcher; the two cartilages, with the gap between them, look like the spout of a pitcher.⏎
Axis - axon, axle or pivot.⏎
Clavicle - clavis, key or fastener. An ancient window fastener was a stick with a double curve.⏎