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