Here's what rhymes with aplastic.
plastic drastic elastic clastic mastic dynastic neoplastic spastic periphrastic fantastic monastic scholastic inelastic sarcastic stochastic gymnastic hyperplastic hypoplastic thermoplastic bombastic orgiastic nonelastic ecclesiastic iconoclastic viscoelastic enthusiastic interscholastic unenthusiastic overenthusiastic Words that almost rhyme with aplastic
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 tyrannic malefic matchstick priapic dynamic organic automatic 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 theocratic titanic unromantic ataxic botanic undramatic apparatchik baldric aerobatic democratic diplomatic aristocratic geographic pancreatic schematic volcanic ecstatic mechanic metastatic nomadic oceanic pediatric prophylactic cephalic emblematic galvanic glutamic panoramic tympanic achromatic anaphylactic heraldic idiomatic magmatic muriatic phlegmatic acrobatic bimetallic chiropractic paediatric astigmatic biographic disyllabic neoclassic stigmatic nondramatic unemphatic systematic bureaucratic demographic problematic psychiatric inorganic photographic charismatic cytoplasmic enigmatic enzymatic ethnographic hemorrhagic hydrostatic cinematic kinematic melodramatic messianic postsynaptic programmatic telegraphic topographic transatlantic cartographic diagrammatic haemorrhagic holographic intrahepatic lithographic orthostatic psychopathic technocratic tomographic undemocratic zygomatic epigrammatic isobaric schismatic typographic calligraphic intergalactic panchromatic plutocratic sycophantic thermostatic phonographic photostatic undiplomatic symptomatic hypothalamic radiographic thermodynamic aerodynamic axiomatic endoplasmic monochromatic nostalgic paradigmatic pornographic angiographic diaphragmatic iconographic intrathoracic orthographic posttraumatic unproblematic unsystematic antidemocratic nonmetallic oceanographic stenographic anticlimactic autobiographic choreographic meritocratic nondemocratic numismatic osteopathic polysyllabic xerographic asymptomatic electrostatic idiosyncratic bibliographic chromatographic hemodynamic hydrodynamic psychodynamic psychosomatic stratigraphic homeostatic monosyllabic protoplasmic semiautomatic transoceanic seismographic unidiomatic homoeostatic cinematographic crystallographic lexicographic electrocardiographic electroencephalographic