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