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