Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
дружный
←
Proto-Slavic
*družьnъ
(inherited)
←
Proto-Slavic
*drugъ
(mention)
←
Proto-Slavic
*-ьnъ
(mention)