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