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