Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ancient Greek
κῆρ
←
Ancient Greek
κέαρ
(mention)
←
Ancient Greek
καρδία
(mention)
←
Ancient Greek
ἦρ
(mention)
←
Ancient Greek
ἔαρ
(mention)
←
Proto-Indo-European
*ḱḗr
(inherited)
→
Ancient Greek
κηρόθι
(affix)