Guastella rhymes with:
costella, estella, stella, costella, cretella, estella, latella, martella, montella, patella, portela, rotella, santella, serritella, stella
Guastella sounds like:
gastelli, gateley, gately, gatley, gatoil, geidel, gestal, get-well, gettel, gettle, getulio, ghastly, ghidella, ghostly, gidel, gidley, goatley, godley, godly, goettel, goettl, goodale, goodall, goodell, goodley, goodloe, goodlow, goodly, goodwill, goutal, gudelay, gwizdala