Difference between Lexicalize and Lexicalise

What is the difference between Lexicalize and Lexicalise?

Lexicalize as a verb is to convert to a single lexical unit, as a group of words with meaning beyond their parts. while Lexicalise as a verb is to convert to a single lexical unit, as a group of words with meaning beyond their parts.

We hope you now know whether to use Lexicalize or Lexicalise in your sentence.