Here's what rhymes with polysulphonic.
sonic phonic ionic tonic conic subsonic chronic harmonic ironic chorionic iconic sardonic laconic polyphonic symphonic bionic avionic ultrasonic colonic demonic mnemonic supersonic isotonic platonic telephonic daemonic monophonic acetonic embryonic hegemonic tectonic diachronic ganglionic histrionic hypertonic monotonic synchronic catatonic diatonic hydroponic stereophonic infrasonic philharmonic quadraphonic quadrophonic electronic planktonic pathognomonic architectonic microelectronic Words that almost rhyme with polysulphonic
comic atomic anatomic genomic agronomic ergonomic subatomic economic autonomic taxonomic diatomic astronomic uneconomic gastronomic tragicomic macroeconomic socioeconomic microeconomic folic hayrick logic topic gothic boric euphoric formic frolic cirrhotic seraphic rollick alcoholic cosmic toxic aortic aquatic chaotic erotic exotic garlic philosophic caloric caustic melodic psychotic carbolic phenolic tropic atopic biotic cathodic gnostic iambic karmic lethargic meiotic myopic prosodic robotic sclerotic bardic ecologic heartsick rhapsodic strophic allegoric subtopic theosophic carsick shambolic historic symbolic periodic apostolic hydraulic neurotic biologic despotic episodic geologic hypnotic isotropic narcotic pathologic systolic ascorbic etiologic idiotic isotopic morphologic necrotic psychologic pyloric semiotic spasmodic synoptic anabolic anarchic anoxic basaltic cathartic cytologic dialogic orthodontic arthroscopic bucolic folkloric hierarchic homoerotic vitriolic xenophobic acrostic workaholic sophomoric chopstick subtropic aetiologic chocoholic shopaholic placekick chocaholic horologic patriotic physiologic prehistoric diastolic histologic macroscopic neurologic philanthropic anisotropic hyperbolic metaphoric parabolic symbiotic yardstick agnostic meteoric oligarchic polymorphic quixotic telescopic thrombotic diabolic fluoroscopic gyroscopic misanthropic subarctic nonnarcotic seismologic astronautic diagnostic metabolic microscopic antibiotic hydrochloric catastrophic cytotoxic prognostic atherosclerotic endoscopic immunologic pharmacologic hematologic melancholic nontoxic pedagogic peristaltic psychotropic stereoscopic antarctic bacteriologic demagogic kaleidoscopic unpatriotic nonalcoholic stroboscopic macrobiotic posthypnotic haematologic gynaecologic epidemiologic metamorphic spectroscopic gynecologic microcosmic antispasmodic submicroscopic meteorologic noncaloric electroscopic anthropomorphic