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

→ English rue (inherited)
→ German reuen (inherited)
→ Middle Dutch rouwen (inherited)
→ Alemannic German rüüwe (inherited)
→ Icelandic hryggja (inherited)
→ Luxembourgish reien (inherited)
→ Dutch rouwen (inherited)
→ Old Norse hryggja (inherited)
→ Old Norse hryggva (inherited)