Here's what rhymes with trichromatic.
chromatic climatic somatic traumatic rheumatic achromatic dramatic static aromatic emphatic thematic erratic lymphatic pneumatic asthmatic fanatic programmatic panchromatic automatic diplomatic hepatic problematic dogmatic pragmatic schematic charismatic enigmatic enzymatic prostatic aliphatic emblematic kinematic operatic prismatic diagrammatic idiomatic magmatic phlegmatic spermatic zygomatic acrobatic epigrammatic schismatic aerobatic systematic pancreatic ecstatic electrostatic axiomatic cinematic monochromatic muriatic posttraumatic stigmatic undramatic unemphatic democratic bureaucratic symptomatic autocratic metastatic melodramatic paradigmatic psychosomatic diaphragmatic homeostatic intrahepatic orthostatic technocratic theocratic unproblematic astigmatic numismatic plutocratic thermostatic nondramatic photostatic undiplomatic unidiomatic aristocratic asymptomatic hydrostatic idiosyncratic unsystematic meritocratic semiautomatic undemocratic antidemocratic homoeostatic nondemocratic Words that almost rhyme with trichromatic
magic nomadic tragic sporadic pelagic syllabic apparatchik priapic disyllabic monosyllabic polysyllabic 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 calligraphic neoclassic sycophantic phonographic nonelastic demographic enthusiastic geographic photographic ethnographic prophylactic chromatographic hemodynamic hydrodynamic postsynaptic psychodynamic telegraphic anaphylactic cartographic holographic intrathoracic orthographic psychopathic splanchnic thermoplastic viscoelastic nonmetallic oceanographic anticlimactic biographic choreographic periphrastic transoceanic xerographic hypothalamic radiographic thermodynamic bibliographic endoplasmic pornographic stratigraphic topographic transatlantic angiographic hyperplastic hypoplastic iconoclastic iconographic protoplasmic stenographic typographic intergalactic lexicographic osteopathic seismographic cytoplasmic crystallographic unenthusiastic autobiographic interscholastic overenthusiastic cinematographic electrocardiographic electroencephalographic