Old Norse fjórtán

← Old English feowertīene (cognate)

← Proto-Germanic *fedurtehun (inherited)

← Old High German fiorzehan (cognate)

← Old Frisian fiūwertīne (cognate)

← Old Saxon fiuwartein (cognate)

→ Old English feowertiene (cognate)

→ Danish fjorten (derived)

→ Faroese fjúrtan (derived)

→ Old Swedish fiughurtan (mention)

→ Gothic 𐍆𐌹𐌳𐍅𐍉𐍂𐍄𐌰𐌹𐌷𐌿𐌽 (cognate)

→ Icelandic fjórtán (derived)

→ Norwegian Bokmål fjortis (mention)

→ Norwegian Bokmål fjorten (derived)

→ Norwegian Nynorsk fjorten (derived)

→ Old Saxon fiuwartein (cognate)

→ Elfdalian fiuortǫ (inherited)

→ Swedish fjorton (inherited)