Difference between Notarise and Notarize

What is the difference between Notarise and Notarize?

Notarise as a verb is to be witness of the authenticity of a document and its accompanying signatures in one's capacity as notary public while Notarize as a verb is to be witness of the authenticity of a document and its accompanying signatures in one's capacity as notary public

We hope you now know whether to use Notarise or Notarize in your sentence.