Maybe you can try to remove all “\b” characters in $ccompare variable within def-link.php file. But, when you remove it, every words contain string you have in definition/link will be replaced. eg. if you define “girl” in your definiton, so the plugin will replace “girl” in “girls” or will replace “main” in “maintenance” if you define “main” in your definition.
Thank you! Riyogarta!