Speedier rhymes with:
needier, bloodier, buddier, cordier, didier, greedier, handier, hardier, muddier, needier, odier, readier, rodier, skandia, steadier, sturdier, verdier
Speedier sounds like:
saavedra, sabedra, saboteur, savedra, sceptre, septer, shifter, softer, software, spadaro, spader, spataro, spatter, speeder, spider, spiteri, spotter, sputter, swifter