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