Here's what rhymes with bisynchronous.
synchronous asynchronous geosynchronous Words that almost rhyme with bisynchronous
singleness villainous fickleness synthesis wickedness virulence sinfulness syllabus vividness fearlessness symbolise fearfulness fitfulness indigenous vigilance cheerfulness dissonance frivolous mischievous chivalrous silicates littleness minuteness tinnitus sycophants wilfulness nimbleness vertiginous willfulness wistfulness shiftlessness stigmatise skillfulness winsomeness cheerlessness assiduousness witlessness stimulus ridiculous diligence limitless solicitous felicitous peristalsis brittleness listlessness religiousness visitants blissfulness gesticulates litigiousness cymbalists timpanists equivalence filaments antithesis meticulous dissidents militants umbilicus gingivitis precipitants infelicitous ambitiousness equivocates ambivalence equivalents ligaments omnipotence stimulants abolitionists articulates particulates religionists predicaments exhibitionists individuates repetitiousness expeditiousness nutritiousness surreptitiousness participants magnificence unambiguous traditionalists coreligionists imprisonments legitimates prohibitionists ministrants coalitionists conjunctivitis grandiloquence nonequivalents nonparticipants