Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
мле́ко
→
Russian
молоко
(doublet)
→
Russian
млекопитающий
(affix)
→
Russian
млечный
(affix)