
1) Author in tandem 2) Author together 3) Collaborate on a screenplay 4) To coauthor 5) Turn out as a pair
Found on
https://www.crosswordclues.com/clue/cowrite

Cowrite is an international screenwriting competition in which writers throughout the world collaborate on a movie script based on a posted story premise. Contestants enter their 10-15 page increment for the screenplay based on previous contestants` submissions. Every other week, the Cowrite judges select the best submission and post it on the Co....
Found on
http://en.wikipedia.org/wiki/Cowrite

to coauthor.
Found on
https://www.infoplease.com/dictionary/cowrite
No exact match found.