Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
къ́сам
→
Bulgarian
прекъсна
(affix)
→
Bulgarian
прекъсвам
(affix)
→
Latvian
kost
(cognate)