Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Finnish
patto
←
Proto-Finnic
*patto
(inherited)
→
Estonian
patt
(cognate)
→
Finnish
henkipatto
(affix)
→
Finnish
valapatto
(compound)