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