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