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