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