Today, English is the indisputable mistress of infinite number and variety of words. It is because it has assimilated words from numerous languages of the world in original or modified forms. This is one of the main reasons for the matchless enrichment of this language. Words in modern English are chiefly derived from Old English, Greek, Latin and French as also from several other languages such as Italian, German, Spanish, Arabic, Sanskrit, Hindi etc. Certainly, full justice couldn't be done in this thin volume to all aspects of the multifaceted problems adumbrated above. Nevertheless, keeping in view the limitation of space, a diligent effort has been made here to remove this hydra-headed confusion as far as possible from the minds of the common readers in respect of many of the commonly used words. For this, an elaborate explanation of the words commonly confused alongwith the origin and use of words has been given side by side to make the matters clear.