Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Old Frisian fīftīne

→ Old English fiftiene (cognate)
→ Old Norse fimmtán (cognate)
→ Old Norse fimtán (cognate)
→ Old Saxon fiftein (cognate)
→ Saterland Frisian füüftien (inherited)