Here's what rhymes with svmphonic.
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comic atomic anatomic genomic economic autonomic diatomic ergonomic subatomic taxonomic uneconomic agronomic astronomic gastronomic tragicomic socioeconomic macroeconomic microeconomic avec folic hayrick logic topic optic gothic formic frolic meiotic myopic cirrhotic seraphic rollick historic symbolic cosmic toxic aortic chaotic erotic exotic garlic neurotic caustic melodic psychotic systolic arctic phenolic semiotic tropic cathodic euphoric iambic karmic bardic xenophobic heartsick strophic subtopic theosophic carsick shambolic aquatic hydraulic philosophic caloric despotic episodic hypnotic narcotic ascorbic idiotic isotopic metaphoric necrotic pyloric spasmodic symbiotic synoptic anarchic basaltic cathartic lethargic meteoric robotic sclerotic thrombotic folkloric hierarchic homoerotic rhapsodic sophomoric chopstick seismologic shopaholic placekick alcoholic metabolic periodic apostolic physiologic biologic diastolic geologic histologic isotropic neurologic pathologic philanthropic carbolic endoscopic hyperbolic morphologic psychologic yardstick agnostic nontoxic orthodontic quixotic antarctic arthroscopic bucolic demagogic diabolic vitriolic acrostic ecologic misanthropic subarctic workaholic allegoric subtropic aetiologic chocoholic chocaholic horologic microscopic patriotic antibiotic prehistoric cytotoxic macroscopic anisotropic etiologic metamorphic parabolic hematologic melancholic oligarchic pedagogic psychotropic telescopic fluoroscopic gyroscopic posthypnotic nonnarcotic haematologic noncaloric gynaecologic astronautic diagnostic hydrochloric catastrophic prognostic atherosclerotic immunologic pharmacologic gynecologic peristaltic polymorphic stereoscopic microcosmic unpatriotic nonalcoholic stroboscopic macrobiotic anthropomorphic spectroscopic kaleidoscopic antispasmodic submicroscopic meteorologic epidemiologic electroscopic bacteriologic