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