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