Anglo-Norman language general use of the word "acre" for land measurement in Normandy until metrication in the 19th century, but these words are probably linguistic traces of Saxon or Anglo-Scandinavian settlements between the 4th and the 10th centuries in Normandy. Otherwise the direct influence of English in mainland Norman (such as "smogler" - to smuggle) is from direct contact in later centuries with English, rather than Anglo-Norman. When the Normans invaded England, Anglo-Saxon literature had reached a very high level of development. The important Benedictine monasteries both wrote chronicles and guarded other works in Old English. However, with the arrival of the
Anglo-Norman language other medieval French loanwords came into the language, and about three-quarters of them are still used today. Very often, the Norman or French word supplanted the Anglo-Saxon term, or both words would co-exist but with slightly different nuances: for example, "ox" (describing the animal) and "beef" (describing the meat). In other cases, the Norman or French word was adopted to signify a new reality, such as "judge", "castle", "warranty". In general, the Norman and French borrowings concerned the fields of culture, aristocratic life, politics and religion, and war whereas the English words were used to describe everyday experience. When the