Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
коммуни́ст
→
Bulgarian
комунист
(borrowed)
→
Russian
коммунистический
(affix)
→
Russian
коммунистка
(affix)
→
Votic
kamunista
(derived)