Kaplan GRE Exam Vocabulary Flashcards Flip-O-Maticfeatures: *500 of the most difficult words frequently tested on the GRE; includes definitions, synonyms, sample sentences, and a pronunciation key Flip your way to a higher score on the GRE! The creator of the #1 GRE course, Kaplan knows the words you need to know to score higher on the GRE.GRE Exam Vocabulary Flip-O-Maticis designed to allow you to quiz yourself and to skip over words after you've mastered them. It's the perfect size to take anywhere and features synonyms, sample sentences, and a pronunciation key for each word. You'll improve your GRE vocabulary by 500 essential words!