Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
молоко
←
Proto-Indo-European
*h₂melǵ-
(derived)
←
Russian
мле́ко
(doublet)
←
Proto-Slavic
*melko
(inherited)