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