Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Indo-European
*geh₂w-
→
Ancient Greek
γαῦρος
(derived)
→
Ancient Greek
γαίω
(derived)
→
Latin
gaudeo
(mention)
→
Latin
Gaius
(derived)