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