Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Finnish
pura
←
Proto-Finnic
*pura
(inherited)
←
Proto-Uralic
*pura-
(inherited)
→
Finnish
eripura
(affix)
→
Finnish
puras
(mention)
→
Finnish
purasin
(suffix)
→
Finnish
purastaa
(suffix)