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