Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Lithuanian
atverti
←
Proto-Balto-Slavic
*otwerʔ-
(derived)
←
Latvian
atvērt
(cognate)
←
Old Prussian
etwerreis
(cognate)
←
Proto-Slavic
*otъverti
(cognate)