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