Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Lithuanian
draugas
←
Proto-Balto-Slavic
*draugás
(inherited)
←
Proto-Indo-European
*dʰrewgʰ-
(derived)
→
Lithuanian
draugė
(link)
→
Latgalian
draugs
(cognate)