Tregre rhymes with:
traeger, cregger, draeger, dreger, greger, gregor, kraeger, macgregor, mcgregor, schreger, traeger
Tregre sounds like:
tercero, theatergoer, thrasher, thresher, tracer, tracker, tracor, traeger, trager, trageser, trauger, treachery, treasure, treasurer, treasury, trecker, trickery, trickier, trigger, troeger, trouser, trucker