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