Euthanasia rhymes with:
anastasia, aphasia, asia, australasia, austrasia, dysplasia, eurasia, fantasia, hyperplasia, malaysia
Euthanasia sounds like:
eating, eaton's, eddings, eddins, edens, editing, edition's, editions, ethnic, ethnics, ethnos, ethnos's, euthanasia's, euthanize, eyewitness, eyewitnesses