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