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