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