Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
търпели́в
→
Bulgarian
търпеливо
(affix)
→
Bulgarian
търпеливост
(affix)
→
Russian
терпеливый
(cognate)