Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
тонкий
←
Proto-Indo-European
*tenh₂-
(root)
←
Old East Slavic
тънъкъ
(inherited)
←
Proto-Slavic
*tьnъkъ
(inherited)
→
Russian
тоненький
(affix)