GRE words

The GRE has several ways of testing your verbal ability. To prepare for the vocabulary section, it is useful to memorize groups of words. In other words, be able to remember a group of categories and place a given word into that category.
Practice your vocabulary - this page requires using your browser's refresh button.
Practice your vocabulary - this page is the same as above but has a button (and FYI was written in javascript vs. php).