Mediplex rhymes with:
adaptaplex, cineplex, duplex, metroplex, multiplex, simplex, starplex, timeplex, adaptaplex, berlex, cineplex, duplex, metroplex, multiplex, oraflex, simplex, starplex, stratoflex, teleflex, telex, timeplex
Mediplex sounds like:
meatballs, metabolic, metabolize, mothballs