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