Languages of the European Union languages, Latvian and Lithuanian; the Celtic languages, including Irish; and Greek are also Indo-European. Outside the Indo-European family, Estonian, Finnish, and Hungarian are Uralic languages while Maltese is the only Afroasiatic language with official status in the EU. The Basque language, a language isolate whose roots are unknown, is an official language in some parts of northern Spain, but not an official language of the EU. Most official EU languages are written in the Latin script. The two exceptions are Greek, which is written in the Greek script, and Bulgarian, which is written in Cyrillic script. With the accession of
Estonian language Estonian and Finnish are not related to their nearest geographical neighbours, Swedish, Latvian, and Russian, which are all Indo-European languages. Although the Estonian and Germanic languages are of very different origins, one can identify many similar words in Estonian and German, for example. This is primarily because the Estonian language has borrowed nearly one third of its vocabulary from Germanic languages, mainly from Low Saxon (Middle Low German) during the period of , and High German (including Standard German). The percentage of Low Saxon and High German loanwords can be estimated at 22–25 percent, with Low Saxon making up about