Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Indo-European
*bʰéh₂os
→
Greek
φως
(inherited)
→
Greek
φωτιά
(inherited)
→
Ancient Greek
φάος
(inherited)