【机】 gudgeon pin
axes; axis; shaft; spindle
【医】 ax-; ax.; axes; axio-; axis; core
beginning or end; cobbra; conk; crumpet; end; first; garret; hair; head
leading; nob; noddle; pate; sconce; side; top; twopenny
【医】 capita; caput; cephal-; cephalo-; head; kephal-; kephalo-
annul; cancel; expend; forelock; melt; pin; sell; spend
【机】 cotter; pin