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The grading tool is used as a 10,000 foot view of the page.  It analyzes to the webpage to look for the proper usage of exact keyword phrases throughout the webpage.  It is not designed to analyze for synonyms or variations of keywords. If you wanted to score a good grade for the variation you specified, then you would need to through that exact phrase in your Title, etc.  Keep in mind, though, the grading tool is not an indication of great SEO, just an indication that you have used keywords in the locations most highly correlated with positive results.

Hey there If they're using Curata to gather a lot of useful articles and then create their own article from that, then that's great.  It will likely result in content that is rich for the user and could earn shares and links. If, however, they are just using curata to dig up content which they then post on their site, the SEO effect won't be positive.  Google ignores syndicated content and won't give the site any credit for taking others work and simply reusing it.  At best, it won't have any effect because Google will understand that it's being done for the user, not to game the algorithm.  At worse, it could start thinking that you're scraping sites and replicating content for your own site in order to pass it off on your own - in which case, you could quite easily fall into a duplicate content/Panda penalty. Use tools like that to draw inspiration and add your own take on things in a unique article that appeals to your demographic.  Otherwise, I can't see this having a positive SEO benefit at all, and it could even be negative.