This simple plugin will list all the incoming search terms generated by SEO SearchTerms Tagging 2 in a metabox under the post editor. This way you can easily use these incoming search terms to find potential keywords and update your content accordingly.
A simple tick or cross will indicate if the term is already present in the post content (using case insensitive match).
You will need to have SEO SearchTerms Tagging 2 in order to make this plugin work.