There are 90 words that start with 'work'.
Note: These 90 words that start with 'work' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with workb, worka, works, workf, workm, workp, workh, worki, workl, workw, worke, workd, worko, workr, workt, worku.