Word: 
Similar-sounding words in the dictionary:
3 letters:
spy
4 letters:
pike, pyke, spak, spec
5 letters:
psych, spack, spake, speak, speck, spice, spied, spier, spies, spiky, spine, spire, spite, spock, spoke, spook, spike
6 letters:
speake, speier, spight, spiked, spiker, spikes, spyker
8 letters:
speicher