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