Difference between Fictionalize and Fictionalise

What is the difference between Fictionalize and Fictionalise?

Fictionalize as a verb is to retell something real as if it were fiction, especially by fabricating falsehoods while Fictionalise as a verb is to retell something real as if it were fiction, especially by fabricating falsehoods

We hope you now know whether to use Fictionalize or Fictionalise in your sentence.