Arnoldi rhymes with:
bartholdy, bertoldi, giroldi, goldey, goldie, goldy, moldy, mouldy, oldie, aldi, arnoldy, baldi, bartholdy, bertoldi, capaldi, castaldi, cataldi, dildy, elizalde, fittipaldi, garibaldi, geraldi, gesualdi, giroldi, goldey, goldie, goldy, grimaldi, hildie, hildy, huldy, kildee, moldy, mouldy, oldie, rinaldi, schiraldi, sinibaldi, ugalde, unwieldy, vivaldi, waldie, weldy, wildey
Arnoldi sounds like:
armold, arnalda, arnaldo, arnault, arnhold, arnholt, arnold, arnoldy, aronhalt