Martineau rhymes with:
gastineau, babineau, babineaux, barrineau, cousineau, gastineau, mullineaux, papineau, albino, altiplano, babineau, babineaux, barrineau, carbonneau, charbonneau, cousineau, domino, galarneau, gastineau, guano, lessnau, molineaux, mullineaux, oregano, papineau, pocono, pompano, rhino, romano, sesno, winnow
Martineau sounds like:
maradona, maradonna, marathon, marden, mardon, maritime, marten, marteney, marthena, martian, martin, martina, martine, martini, martino, martiny, martion, marton, martone, martyn, mauritania, meriden, meridian, meridien, merten, merton, mooradian, morden, moreton, mortem, morten, morton, mouradian, murden, murton