Special:Badtitle/NS90:Forum:Wiki Talk/Suggesation: global typo substitution/reply (14)

You could handle that by ignoring all pages in the fanfic category.

Really, if you want to get it perfect, we have to have a bot which looks for a word and presents instances of it to the bot user, asking for manual confirmation on each one. Of course it's easy for me to say since I'm not writing or running the bot. But we needn't let the perfect be the enemy of the good.