Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Indo-European
*polh₁ús
→
English
poly-
(derived)
→
English
polylectic
(derived)
→
French
poly-
(derived)
→
Ancient Greek
πολύς
(inherited)
→
Dutch
poly-
(derived)
→
Norwegian Nynorsk
poly-
(derived)