Here's what rhymes with metathematic.
fanatic hepatic somatic thematic asthmatic spermatic dramatic automatic static aromatic dogmatic emphatic schematic erratic pneumatic rheumatic aliphatic cinematic idiomatic epigrammatic diplomatic systematic climatic pragmatic traumatic enzymatic lymphatic axiomatic chromatic emblematic kinematic melodramatic operatic prismatic diagrammatic magmatic phlegmatic theocratic zygomatic schismatic astigmatic stigmatic undramatic unemphatic aerobatic democratic aristocratic problematic symptomatic autocratic charismatic ecstatic enigmatic metastatic prostatic programmatic psychosomatic achromatic diaphragmatic muriatic unsystematic acrobatic numismatic thermostatic nondramatic undiplomatic bureaucratic pancreatic asymptomatic monochromatic paradigmatic homeostatic intrahepatic orthostatic posttraumatic technocratic panchromatic plutocratic semiautomatic photostatic unidiomatic homoeostatic hydrostatic idiosyncratic undemocratic unproblematic antidemocratic meritocratic nondemocratic electrostatic Words that almost rhyme with metathematic
magic syllabic tragic nomadic sporadic pelagic disyllabic apparatchik priapic monosyllabic polysyllabic manic mastic fantastic panic semantic ceramic monastic lactic tactic phallic satanic tannic malefic dynamic traffic classic elastic plastic romantic fabric gastric graphic metallic drastic frantic scholastic thoracic volcanic catholic dynastic hemorrhagic mechanic sarcastic synaptic cephalic galactic pedantic spastic thalamic aplastic clastic haemorrhagic italic bombastic botanic tyrannic matchstick organic gigantic psychiatric barbaric didactic inelastic oceanic stochastic climactic galvanic messianic ophthalmic panoramic presynaptic tympanic gymnastic heraldic psychopathic titanic bimetallic isobaric slapstick unromantic ataxic intergalactic interscholastic periphrastic sycophantic baldric nonelastic demographic geographic inorganic photographic ethnographic hypothalamic neoplastic pediatric prophylactic thermodynamic aerodynamic geriatric glutamic nostalgic postsynaptic telegraphic topographic anaphylactic holographic hyperplastic hypoplastic intrathoracic lithographic splanchnic thermoplastic nonmetallic oceanographic orgiastic paediatric typographic biographic neoclassic osteopathic phonographic enthusiastic cytoplasmic hemodynamic pornographic psychodynamic transatlantic cartographic iconoclastic iconographic orthographic tomographic viscoelastic stenographic autobiographic calligraphic xerographic seismographic radiographic bibliographic ecclesiastic endoplasmic hydrodynamic stratigraphic angiographic chiropractic unenthusiastic anticlimactic choreographic transoceanic overenthusiastic crystallographic protoplasmic chromatographic cinematographic lexicographic electrocardiographic electroencephalographic