Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
clacă
←
Bulgarian
тлака
(borrowed)
←
Lithuanian
talkà
(cognate)
←
Latvian
tàlka
(cognate)
←
Polish
tłoka
(cognate)
←
Proto-Slavic
*tolka
(derived)
→
Hungarian
kaláka
(mention)
→
Romanian
clăcușoară
(suffix)
→
Romanian
clăcaș
(suffix)