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

→ English lake (inherited)
→ Old English lacu (inherited)
→ Old Church Slavonic локꙑ (derived)
→ German Lacke (inherited)
→ German Lake (derived)
→ German Low German Lake (inherited)
→ Dutch laak (inherited)
→ Polish łacha (derived)