Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Church Slavonic
ветъхъ
←
Proto-Indo-European
*wet-
(root)
←
Proto-Slavic
*vetъxъ
(inherited)
→
Latin
vetus
(cognate)
→
Latvian
vecs
(cognate)