Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Macedonian
густ
←
Proto-Slavic
*gǫstъ
(inherited)
→
Macedonian
густо
(affix)
→
Russian
густо
(cognate)