If you are really concern about your blog traffics you should try SEO Smart Links WordPress Plugin. This plugin worked really awesome and automatically convert any word that relevant with your content into inner links. This plugin developed by Vladimir.
SEO Smart Links provides automatic SEO benefits for your site in addition to custom keyword lists, nofollow and much more.
SEO Smart Links can automatically link keywords and phrases in your posts and comments with corresponding posts, pages, categories and tags on your blog.