Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
валог
←
Bulgarian
вал
(affix)
←
Bulgarian
-ог
(affix)
←
Latin
vallis
(cognate)
←
Romanian
vale
(cognate)