Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
шелом
←
Old East Slavic
шеломъ
(inherited)
←
Russian
шлем
(doublet)
←
Proto-Slavic
*šelmъ
(derived)