Spellings and pronunciation are very important in English language. One of the characteristics of this language is that there are many words with a slight change in spelling, similar pronunciation but different meanings. Such words are called homonyms or homophones. In this book, many groups of such words are given along with sentences for explanation of the difference of meanings. This will help in understanding the language better and make the usages of the words smooth. It also shows that a spelling error can change the meaning of the word and hence the sentence to a great extent. This book will be useful to understand the right use of word. The usage is explained with a sentence for better understanding. It will be useful to students; aspirants of competitive exams, professionals and of course the lovers of English language.