Compudyne rhymes with:
actodine, aerodyne, brisendine, celandine, ceradyne, conradine, considine, dideoxycytidine, digidyne, envirodyne, gardyne, geodyne, healthdyne, heterodyne, interdyne, iodine, jardine, microdyne, oxidyne, paradyne, pepperdine, rocketdyne, spectradyne, stanadyne, superheterodyne, technodyne, teledyne, teradyne, trimedyne, vandyne
Compudyne sounds like:
cambodian, campton, competition, compton, computation, conniption, cumpton