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