Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Proto-Indo-European *swem(bʰ)-

→ English swim (derived)
→ English swath (derived)
→ Old English swican (derived)
→ Old English swæþ (derived)
→ German Schwade (derived)
→ Middle English swathe (derived)
→ Icelandic svæði (derived)