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