Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Lithuanian
gerklė
←
Proto-Balto-Slavic
*gerʔtló
(derived)
←
Polish
źródło
(cognate)
→
Lithuanian
gerti
(mention)