Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
вехт
←
Proto-Slavic
*vetъxъ
(derived)
→
Bulgarian
-ория
(link)
→
Latvian
vecs
(cognate)