Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Lithuanian
trys
←
Proto-Balto-Slavic
*tríjes
(inherited)
←
Proto-Indo-European
*tréyes
(inherited)
→
Latgalian
treis
(cognate)