Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Finnish
ruokko
←
Finnish
ruoka
(doublet)
←
Proto-Finnic
*rookko
(inherited)
←
Proto-Germanic
*rōkō
(derived)
→
Finnish
ruokoton
(suffix)
→
Finnish
ruokota
(suffix)
→
Finnish
lapsenruokko
(affix)