Sceptre rhymes with:
interceptor, receptor, septer, interceptor, receptor, septer, adapter, adaptor, adopter, apter, captor, chapter, emptor, eurocopter, helicopter, interceptor, kaptur, lithotripter, raptor, receptor, sculptor, septer, subchapter, sumpter, teleprompter, velociraptor
Sceptre sounds like:
saavedra, sabedra, saboteur, savedra, septer, shifter, softer, software, spadaro, spader, spataro, spatter, speeder, speedier, spider, spiteri, spotter, sputter, swifter