There may be keywords that are closely related to your web site's purpose that you are not targeting. There could also be different words or names that have the same meaning as other words due to regional or cultural differences. Finding all of these words can be quite difficult, however Keyword Discovery makes this task simple.
Consider an online store selling shoes. To find related terms, you would use one of two queries:related:shoes or the more advanced:
The results will include words such as:Search Term: shoes