If you still haven`t solved the add-on contract crossword, then why not browse our database looking for letters you already have! We have listed all the clues in our database that match your search. There will also be a list of synonyms for your answer. The synonyms were arranged according to the number of characters to be easily found. Below you will find possible answers for the Contract Add-on crossword warning. . . . If a given answer generates a lot of interest on the site today, it can be highlighted in orange. If your word anagrams, they are also mentioned with a definition of the word if we have one.