English words derive from many languages :
Loads of words of French origins have entered the English language : as a result, so have a great number of Latin words. Most of French-originating words date from the centuries after the 1066 Norman Conquest -since England got ruled by Norman-speaking administrations then.
Various surveys and studies have showed almost 30% of all English words have a French origin.
Click on the book below to access a list of French words/phrases used in English :
You might get interested in Wikipedia's article on Anglicisation too :
Anglicisation consists of "converting verbal or written elements of any other language into a form that is more comprehensible to an English speaker". More generally, anglicising is "altering words or phrases" so that they "become English (in form or character)".