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