Here's what rhymes with underattended.
attended tended upended amended offended ascended blended subtended untended intended depended splendid suspended defended descended pretended emended extended recommended undefended apprehended condescended superintended overextended reprehended misapprehended Words that almost rhyme with underattended
tented rented augmented contented cemented fermented presented percentage implemented invented oriented resented represented documented supplemented reoriented headed wedded petted deadened peddled penciled pencilled pensioned melded pedaled method mentioned tested legged threaded beckoned reddened shredded bareheaded belted beveled fetid bevelled chested deafened meddled jested pebbled petalled second affected directed attempted protected settled arrested legend projected indebted melted objected protested reckoned rested tempted vested welcomed lessened herald leveled levelled nested nestled speckled wrestled breasted revelled sectioned trebled leavened nettled reveled felted foetid hefted connected selected suggested collected elected threatened assembled detected effected erected suspected corrected injected contested perfected trembled congested dissected ingested lengthened unsettled crested intrepid disheveled dishevelled freckled smelted complexioned embezzled freshened imperiled semiarid unmentioned expected reflected infected invested neglected questioned manifested strengthened infested intercepted predestined resettled disassembled dissembled resembled unquestioned inflected reassembled reelected millisecond disinfected