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