Difference between Pedophile and Paedophile

What is the difference between Pedophile and Paedophile?

Pedophile as a noun is a person who is sexually attracted to children. while Paedophile as a noun is a person who is sexually attracted to children (oed). in american psychiatry, a person attracted primarily to prepubescent children.(dsm-iv: over a period of at least six months, recurrent, intense, sexually arousing fantasies, sexual urges or behaviors involving sexual activity with a prepubescent child or children)

We hope you now know whether to use Pedophile or Paedophile in your sentence.