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