Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
письмо́
→
Russian
писать
(link)
→
Russian
письменный
(affix)
→
Russian
пописать
(link)
→
Russian
письмецо
(affix)