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