Scrib:
* This root is usually used to describe the act of writing itself.
* Examples:
* Scribble: to write quickly and carelessly.
* Describe: to give an account of something in words.
* Inscription: something that is written or engraved on something.
Script:
* This root focuses more on the written form itself, often referring to a written document or text.
* Examples:
* Script: the written text of a play, film, or television show.
* Manuscript: a document written by hand.
* Postscript: a note added after the end of a letter or document.
In summary:
* Scrib emphasizes the action of writing.
* Script emphasizes the written product.
While they share a common origin, the slightly different nuances of each root allow for a range of words and phrases to express different aspects of writing.