Directly related to writing:
* scribe: a person who copies out documents, especially manuscripts
* scribble: to write hastily or carelessly
* script: written text, especially for a play, film, or broadcast
* scriptorium: a room in a monastery where monks copied manuscripts
Derived from the root, but with broader meanings:
* describe: to give a detailed account of something
* subscribe: to agree to receive something regularly (e.g., a magazine)
* inscribe: to write or carve words on something
* transcribe: to make a written copy of something, such as a recording
* prescribe: to order the use of a medicine or treatment
* ascribe: to attribute something to a particular cause or person
* circumscribe: to restrict something within limits
* conscribe: to enroll someone in the armed forces
* subscribe: to agree to receive something regularly (e.g., a magazine)
This is not an exhaustive list, but it provides a good starting point for understanding how the root "scribe" has evolved and been used to create new words with related meanings.