I published the same marketing copy to two of Amazon's stores, the US one and the UK one. Same book, same account, same text down to the character. The US store took it without comment. The UK store rejected the whole submission over one word.
The word was execution. The book is about doing the work instead of only planning it, so one line talked about stacking thirty days of visible execution. To a reader that means finishing what you start. Amazon's UK filter read it as the violent kind, the death-penalty meaning, and blocked the page with a community-guidelines flag. That exact line had already been live on the US store for over a month, where the US filter waved it straight through.
I could have argued. The meaning is obvious to any human who reads the sentence, and somewhere there is probably an appeal form. I changed the word instead. Visible execution became visible action. Same point, plainer word, resubmitted, and it published in minutes. The filter had nothing to grab.
Two things stuck with me. These filters match strings before they understand sentences, so a word that is clean to a person can trip a keyword list that never saw the sentence around it. And clearing one tells you nothing about the next. It was the same account and the same book, but the UK filter turned out stricter than the US one. So now I check each store on its own instead of assuming one approval covers the rest.
You hit the same wall anywhere an automated filter stands between you and your audience: ad reviewers, spam filters, payment risk engines, app review queues. They match the loaded or abstract word and flag it long before a human would object. Fighting one is slow and rarely works. Rewording is quick.
So the habit now is dull and it works. When my words have to clear an automated filter, I write the flattest honest version of the thing. The sharp word I reach for to sound good is usually the one that trips it. Trade a little style for the plain word and you keep your reach, which was the whole reason for writing the sentence.