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