Donaldo rhymes with:
arnaldo, naldo, reinaldo, renaldo, reynaldo, rinaldo, aldo, ansaldo, arnaldo, baldo, capaldo, castaldo, cataldo, faldo, geraldo, giraldo, grimaldo, naldo, reinaldo, renaldo, reynaldo, rinaldo, waldo
Donaldo sounds like:
denault, deneault, donald, donalda, download, downloaded