Software rhymes with:
delftware, giftware, delftware, flatware, footware, footwear, giftware, knitwear, netware, noteware
Software sounds like:
saavedra, sabedra, saboteur, savedra, sceptre, septer, shifter, softer, spadaro, spader, spataro, spatter, speeder, speedier, spider, spiteri, spotter, sputter, swifter