Specially rhymes with:
artificially, beneficially, commercially, confidentially, essentially, exponentially, financially, impartially, initially, judicially, officially, partially, potentially, provincially, racially, socially, substantially, unofficially
Specially sounds like:
savagely, sheepishly, spacial, spackle, speagle, special, speciale, speckle, speegle, spegal, speziale, spiegel, spogli, spousal, subsoil, suspiciously