Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Lithuanian
sausas
←
Proto-Balto-Slavic
*saušas
(derived)
→
English
sere
(cognate)
→
Esperanto
seka
(mention)