Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Phrygian
βρατερε
←
Proto-Indo-European
*bʰréh₂tēr
(derived)
→
Ancient Greek
φράτηρ
(cognate)