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