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