Easily enforce automatic creation of links over given words across WordPress Multisite installation. WordPress plugins repository is having a simple, light and powerful plugin that allows you to do so. It works in single WordPress installations too.
- Install and activate WPMU Automatic Links.
- Visit Dashboard -> Settings -> WPMU Automatic Links Options
- Add words and their links.
It gives a simple and most easy user interface for adding and managing you words and their links. You can set links target, rel, css. It also shows the number of visits made by clicking your linked words.