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