Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ancient Greek
στέργω
←
Proto-Indo-European
*sterg-
(inherited)
→
Welsh
serch
(cognate)
→
Ancient Greek
στοργή
(affix)
→
Ancient Greek
στέργηθρον
(affix)