Here's what rhymes with unascertained.
attained chained pained deigned obtained gained trained sustained ascertained stained drained reigned feigned rained waned arraigned brained curtained pertained planed reined veined contained maintained retained ordained detained grained strained untrained abstained campaigned unfeigned unstained remained complained entertained regained disdained profaned explained constrained restrained refrained unexplained unrestrained ingrained unconstrained Words that almost rhyme with unascertained
change paint taint tamed range named faint arrange ashamed blamed saint famed maimed shamed feint plaint untamed strange claimed framed quaint acclaimed acquaint unnamed flamed exchange complaint interchange renamed rearrange declaimed exclaimed constraint proclaimed restraint inflamed reclaimed disclaimed changed paid bade forbade paved bathed dazed tailed jade jailed bailed paled made trade failed laid played raised arranged saved shade stayed blade gazed maid praised prayed ranged sailed unchanged waved weighed amazed fade hailed obeyed parade raid staged surveyed unpaid veiled waged arrayed assailed availed blazed curtailed mailed nailed plagued raged shaved spade appraised braid gauged phased staid trailed wade wailed waived allayed braved caged charade preyed railed raved razed upraised afraid decade detailed grade delayed behaved entailed decayed evade glazed laboured modelled repaid scaled sprayed swayed upgrade arcade craved crazed deranged frayed grazed outweighed overlaid pervade phrased strayed unveiled buffeted glade impaled splayed straitened tirade underpaid engaged prevailed betrayed brigade conveyed exchanged persuade blockade invade cascade degrade depraved dismayed enraged inhaled disobeyed dissuade estranged grenade homemade masquerade rearranged stockade unscathed brocade defrayed handmade handmaid housemaid interchanged prearranged prepaid regaled remade unafraid displayed portrayed crusade engraved enslaved barricade exhaled lemonade renegade cannonade cavalcade colonnade palisade remodelled disengaged promenade balustrade centigrade paraphrased retrograde