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 and French have led to many "faux amis" (words having similar form but different meanings) in Modern English and Modern French. Since although a Romance language, Norman contains a significant amount of lexical material from Norse, some of the words introduced into England as part of Anglo-Norman were of Germanic origin. Indeed, sometimes one can identify cognates such as "flock" (Germanic in English existing prior to the Conquest) and "floquet" (Germanic in Norman). The case of the word "mug" demonstrates that in instances, Anglo-Norman may have reinforced certain Scandinavian elements already present in English. "Mug" had been introduced into northern