Aiditorial Article Rewriter is the best rewriter tool. Aiditorial Article Rewriter provides alot of options to customize the software.

To customize your own thesaurus, please follow the following steps:

1) Click PROJECTS tab -> User Thesauri 
2) Click New
3) Enter File Name
4) Click Save

5) Click Import

To verify that your thesaurus was loaded correctly, please follow the following steps: 

6) Highlight the same file that was imported from step 5

7) Click Export 

8) Enter File Name

9) Click Save

10) Verify that the Thesaurus was loaded correctly

ChimpRewriter - Best Article Rewriter - helps rewrite your article in secondsChimpRewriter Article Rewriter checks for duplicate after you rewrite.