No mechanical means, but I have referred to a thesaurus occasionally. Mostly I tried to change my sentence structure, not just words. It requires actually thinking differently, in a way. Which makes it difficult to know how well I'm communicating.
This found an alt that I created specifically to see if I could write artificially to defeat this kind of analysis. I have seen other tools like it posted to HN, but none before had found that account. I guess I need to up my game.