Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Proto-West Germanic *liʀnōn

→ English learn (inherited)
→ Old English leornian (inherited)
→ Ido lernar (derived)
→ Latin lira (mention)
→ Old Dutch lernon (inherited)
→ Old Saxon linon (inherited)