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