Originally Posted By: zmjezhd
Many languages borrow heavily from other ones when they are in contact. Old Irish borrowed heavily from Latin, as did Old English. Middle English borrowed heavily from French. Russian from Tartar and other Turkic languages. But those are all pretty much languages that made it through a contact situation changed but still pretty much a language.

Modern Greek would be another example. It was also heavily influenced by Turkish, which in turn was of course earlier influenced by Arabic.