Express Yourself with Flair Learn new words using our unique approach to building vocabulary skills. Greek and Latin word roots are the basis of thousands of English words we use today. Each word root is described with several examples of English words derived from it. The English words are defined and used in example sentences. Fun and challenging quizzes which appear throughout test memory and comprehension.Merriam-Webster, Inc. Staff is the author of 'Webster's Vocabulary Builder', published 2006 under ISBN 9781596950092 and ISBN 1596950099.