Arnault rhymes with:
arnaud, garneau, pernod, arnaud, begnaud, bonneau, bruneau, chenault, daignault, daigneault, denault, deneau, deneault, dunno, garneau, know, lienau, migneault, mineau, morneau, morneault, nau, neault, no, noe, noh, pernod, pineau, pruneau, renaud, renault, reneau, snow, snowe, thurnau, uno, vienneau, vigneau, vigneault
Arnault sounds like:
armold, arnalda, arnaldo, arnhold, arnholt, arnold, arnoldi, arnoldy, aronhalt