Report for Key Words Identified

I'd like a Report option for Key Words identified per process, similar to the report that identifies Systems. This would provide additional insight for tagging. My understanding is that currently the tags for systems and documents are connected on the backend and you can only tag one or the other with the same name but not both. I think knowing or having a better understanding of what the Process Expert and Process Owner are adding for Key Words would inform tagging as well. Currently, we have to go into each process to see which Key Words were being identified.