Copycodes rhymes with:
microcodes, anodes, boatloads, carloads, caseloads, cathodes, crossroads, diodes, downloads, episodes, inroads, microcodes, nematodes, overloads, payload's, payloads, planeloads, railroad's, railroads, railroads', shiploads, truckloads, unitrode's, workloads
Copycodes sounds like:
capacities, capstick, chappaquiddick, chopstick, chopsticks, copycats