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