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