Elder [0] and Younger [1] Futhark (or Fuþark) are the name of two runic writing systems used by Germanic and Scandinavian Vikings. The name Futhark is a combination of the first 6 runes /f/, /u/, /ð/, /ɑ/, /r/, and /k/. Similar to how you get the name "alphabet" from the first two letters of Greek's writing system.

[0]: https://en.wikipedia.org/wiki/Elder_Futhark

[1]: https://en.wikipedia.org/wiki/Younger_Futhark