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