Finding that there are no known comparisons between formal Arabic and colloquial Lebanese Syrian Arabic, the author, Raphael Nakhla Al-Yasou`y sets himself to the task. Starting with a comparison between the aforementioned dialects, the author moves to an analysis of the colloquial dialect. What he finds is a number of words, phrases, and expressions that do not belong to Arabic, yet are unknowingly accepted as such, and used as part of the local dialect. In actuality, these inserts are from a variety of other languages that include Persian, French, Italian, Greek, and Hebrew. This detailed product provides a multitude of examples and a step-by-step outline of the researcher’s investigation of assimilated foreign words.