* Directly borrowed words: English has borrowed many French words directly, like "déjà vu," "rendezvous," "faux pas," "cul-de-sac," and "laissez-faire." These are often used with their original French pronunciation and spelling.
* Words with French origin: English has a large number of words with French origin, but they have become completely naturalized into the English language and are used with English pronunciation and spelling. Examples include "government," "table," "restaurant," "apartment," and "fashion."
* Phrases with French origin: Some phrases have a French origin, but might not be considered full words. Examples include "c'est la vie," "bon appétit," and "au revoir."
So, to answer your question directly: Yes, many French words are used in English, either directly borrowed or with French origin.