Ethicon rhymes with:
digicon, helicon, lexicon, logicon, oerlikon, polysilicon, semicon, technicon, alarcon, catchacan, comecon, digicon, econ, emoticon, farrakhan, helicon, lexicon, logicon, midcon, nikon, oerlikon, planecon, polysilicon, semicon, technicon, walk-on, yukon
Ethicon sounds like:
edgemon, edgin, edgmon, edison, edizione, edson, eidson, eitzen, etchison, etzioni