Here's what rhymes with quinquangularis.
Words that almost rhyme with quinquangularis
communis dorsalis thoughtfulness cockatrice marchioness populists chapatis congregates porousness competence moralists unconsciousness dogmatists formalists colonists pharmacists botanists psittacosis economists dramatists geologists ecologists agronomists oncologists abortionists optometrists mycologists soporifics archaeologists technologists thyrotoxicosis criminologists ethnologists geopolitics ideologists audiologists immunologists sexologists climatologists cytologists extortionists ichthyologists penologists virologists contortionists numerologists sociologists meteorologists radiologists cardiologists dermatologists genealogists hydrologists histologists petrologists cosmetologists hematologists herpetologists haematologists urbanologists microbiologists musicologists ophthalmologists pharmacologists toxicologists antiabortionists campanologists bacteriologists gerontologists epidemiologists paleontologists palaeontologists