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

→ English portmanteau (root)
→ English port (root)
→ English opportunity (root)
→ English report (root)
→ English pragmatic (root)
→ English ford (root)
→ English fare (root)
→ English practical (root)
→ English portal (root)
→ English porta (root)
→ English support (root)
→ English porter (root)
→ English export (root)
→ English practice (root)
→ English sport (root)
→ English fjord (root)
→ English firth (root)
→ English porch (root)
→ English aporia (root)
→ English ferry (root)
→ English emporium (root)
→ English portable (root)
→ English praxis (root)
→ English opportune (root)
→ English comport (root)
→ English portico (root)
→ English pore (root)
→ English deport (root)
→ English pragma (root)
→ English porous (root)
→ English asportation (root)
→ English ferd (root)
→ Irish port (root)
→ Irish aerfort (root)
→ Irish póirse (root)
→ Irish taobhfort (root)
→ Irish portach (root)
→ Scottish Gaelic port (root)
→ Scottish Gaelic longphort (root)
→ Old Irish port (root)