Paradyne's rhymes with:
aerodyne's, teradyne's, aerodyne's, teradyne's, aerodyne's, teledyne's, teradyne's, aerodyne's, jardine's, teledyne's, teradyne's
Paradyne's sounds like:
parading, pardoning, pardons, parting, partitioning, partitions, partying, pertaining, pertains, pirating, porting, portions, predominance, preteens, pretense, pretenses, prodding, protein's, proteinaceous, proteins, proton's, protons, prudence, prudency, puritans