Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Estonian
rikas
←
German
reich
(cognate)
←
Proto-Finnic
*rik'as
(inherited)
←
Proto-Germanic
*rīkijaz
(derived)
→
Estonian
rikastuma
(suffix)