Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Finnish
kuoma
←
Old East Slavic
кумъ
(borrowed)
←
Old East Slavic
кума
(cognate)
←
Polish
kum
(cognate)
→
Finnish
kuomanen
(affix)