Substation rhymes with:
playstation, workstation, playstation, workstation, alliteration, alternation, brutalization, circulation, claymation, conceptualization, decimation, deterioration, excoriation, homogenization, immolation, incineration, oversimplification, playstation, reeducation, reintegration, syncopation, truncation, workstation
Substation sounds like:
savastano, sebastian, sebastiana, sebastiane, sebastiani, subsection, substitution, subsystem, suffocation, supposition