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