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