Propounded rhymes with:
compounded, expounded, bounded, compounded, expounded, founded, rounded, sounded, surrounded, absconded, amended, apprehended, ascended, attended, backhanded, blended, bonded, bounded, candid, commanded, compounded, defended, demanded, depended, descended, ended, expanded, expounded, extended, founded, funded, handed, intended, landed, minded, offended, overextended, pretended, recommended, red-handed, reminded, rounded, sounded, splendid, stranded, surrounded, suspended, tended, wounded
Propounded sounds like:
perfumed, pierpoint, pierpont, pierrepont, prepayment, prevent, prevented, profanity, profound, proponent, propound, provant