by Visualwebz on WordPress.org
Keyword Linker can find words that user searched and attaches the link at selected position of the keyword.

Keyword Linker startup layout
Keyword Linker is the latest plugin designed to find words from the whole website and attaches the link at the selected position of the word.
Also can select the pages and able to see the source code of the page or whole page. It will automatically highlight the word that found.