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