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