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