Catchacan rhymes with:
comecon, emoticon, farrakhan, planecon, alarcon, comecon, digicon, econ, emoticon, ethicon, farrakhan, helicon, lexicon, logicon, midcon, nikon, oerlikon, planecon, polysilicon, semicon, technicon, walk-on, yukon
Catchacan sounds like:
cadogan, castagna, castagno, catechism, cetacean, chautauquan, citizen, costigan, cotugno, cutchin, cutugno, cytogen