Here's what rhymes with powerboat.
boat dote tote note wrote vote coat goat moat rote cote mote bloat promote throat denote devote float quote afloat smote connote groat inchoate gloat remote anecdote overcoat greatcoat rewrote motorboat riverboat topcoat antidote waistcoat petticoat creosote ferryboat underwrote Words that almost rhyme with powerboat
pope abode dope toad towed toed bode doge poach approach hope mode road showed code load node rode rope coach cope lobe probe soap robe rowed sewed stowed trope broach goad lode lowed mowed roach hoed loge lope mope woad scope slope bestowed flowed globe slowed glowed isotope strode erode unload decode grope snowed commode corrode crowed elope strobe earlobe episode reproach overload encode nematode highroad overrode radioed reload bestrode envelope telescope explode antelope encroach overflowed syncope gyroscope periscope horoscope stethoscope endoscope radioisotope cantaloupe heliotrope microscope kaleidoscope oscilloscope stereoscope misanthrope spectroscope electroscope post boast bolt choked toast doped joked jolt poked dosed poached tost dolt most coast hoped host approached ghost soaked wont roast volt broached colt coached coped molt roped yoked moult stoked baulked loped moped soaped provoked evoked smoked stroked groped outermost sloped cloaked coaxed croaked riposte debouched grossed revolt invoked diagnosed inmost innermost reproached revoked uppermost topmost uttermost lowermost engrossed convoked encroached unprovoked telescoped hindmost unbeknownst southernmost easternmost northernmost westernmost