Pronto rhymes with:
adelanto, delsanto, desanto, ponto, serranto, toronto, abanto, adelanto, argento, benevento, bento, canto, casamento, chimento, cilento, contento, corinto, delsanto, depinto, desanto, dipinto, disanto, esperanto, fomento, giaquinto, gornto, guinto, investimento, jacinto, lento, lopinto, maranto, memento, mento, minto, monsanto, nascimento, panepinto, parenteau, pentimento, pesavento, ponto, quinto, sacramento, santo, santow, sarmento, sarmiento, scinto, serranto, shunto, sorento, szanto, taranto, tinto, toronto, vento
Pronto sounds like:
papermate, paramount, paranoid, parent, parente, parenteau, parenthood, parenti, parrent, peppermint, permanent, permanente, permeate, permeated, permenante, permit, permitted, permount, permut, permutate, permutated, permute, pernod, preeminent, preened, premeditate, premeditated, primate, primed, print, printed, printout, printy, promenade, prominent, promote, promoted, prowant, pruned, pruneda, prunty, prurient, pyramid