Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latgalian
cīši
←
Lithuanian
kietas
(cognate)
←
Latgalian
cīts
(cognate)
←
Latvian
ciets
(cognate)