Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
щадить
←
Proto-Indo-European
*skend-
(root)
←
Proto-Indo-European
*skend-
(derived)
←
Old East Slavic
щадѣти
(inherited)
←
Russian
ску́дный
(mention)
←
Proto-Slavic
*ščęditi
(inherited)
→
Russian
нещадный
(affix)