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