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