Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Lithuanian
kūjis
←
Proto-Balto-Slavic
*kuʔios
(derived)
←
Lithuanian
káuti
(link)
←
Old Prussian
cugis
(cognate)
←
Proto-Slavic
*kyjь
(cognate)