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