Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
vetchý
←
Proto-Balto-Slavic
*wetušas
(inherited)
←
Proto-Indo-European
*wet-us-o-
(inherited)
←
Proto-Indo-European
*wet-
(derived)
←
Proto-Slavic
*vetъxъ
(inherited)
←
Old Czech
vetchý
(inherited)
→
Czech
vetchozrakost
(affix)
→
Latvian
vecs
(cognate)