Here's what rhymes with quiescient.
prescient Words that almost rhyme with quiescient
variant chariot recreant veriest lariat pettiest sexiest wariest cerement hairiest dressiest peppiest peskiest testiest tetchiest zestiest leggiest teariest invariant heaviest wealthiest deadliest scariest lengthiest sketchiest cheviot comeliest heftiest smelliest sweatiest preppiest homeliest cleanliest fleshiest stealthiest fleshliest stretchiest commissariat friendliest secretariat uncleanliest proletariat unfriendliest