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

→ English proportion (root)
→ English particle (root)
→ English participate (root)
→ English depart (root)
→ English pornography (root)
→ English portion (root)
→ English parse (root)
→ English part (root)
→ English parcel (root)
→ English impart (root)
→ English particular (root)
→ English jeopardy (root)
→ English partition (root)
→ English partite (root)
→ English -partite (root)
→ English pars recta (root)