Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ukrainian
письменний
←
Polish
piśmienny
(cognate)
←
Russian
пи́сьменный
(cognate)
←
Ukrainian
письмо́
(affix)
←
Ukrainian
-ний
(affix)