Teradyne's rhymes with:
aerodyne's, paradyne's, aerodyne's, paradyne's, aerodyne's, paradyne's, teledyne's, aerodyne's, jardine's, paradyne's, teledyne's
Teradyne's sounds like:
tardiness, tartness, thirteen's, thorton's, threading, threatening, threatens, thwarting, tiredness, trading, trading's, tradings, traditions, treading, treating, triton's, trotting