Using the Tooltip Ecommerce edition you can show Amazon product recommendation inside the tooltip once hovering a term. For example the term Valentine once hovered will show Amazon suggestions. (Notice: Please turn off Ad-Blocker to see the Amazon ad inside the tooltip)
The CM Tooltip is a WordPress plugin that enables you to parse pages or posts that are used for showing defined glossary words or phrases. Generates an index page that contains the definition of the words used, synonyms and definitions from the Merriam-Websterdictionary or Wikipedia encyclopedia. When enabled, the plug-in displays an infotip that contains the definition of the highlighted word or phrase when the cursor hover-over the text. Also available in the WordPress Repository.