Purifying rhymes with:
clarifying, electrifying, glorifying, horrifying, terrifying, verifying, amplifying, certifying, clarifying, classifying, codifying, disqualifying, diversifying, edifying, electrifying, exemplifying, falsifying, glorifying, gratifying, horrifying, identifying, intensifying, justifying, magnifying, misidentifying, modifying, mummifying, mystifying, notifying, nullifying, personifying, qualifying, ratifying, rectifying, signifying, simplifying, solidifying, specifying, speechifying, stultifying, terrifying, testifying, unifying, verifying
Purifying sounds like:
parfums, perfumes, perfuming, peruvians, pervomaiskaya, prepaying, prepping, previewing, probing, proofing, propionic, propping, provance, provenance, provence, provencio, provenience, provenza, province, province's, provinces, proving, purveying, purviance