Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latgalian
eiši
←
Latgalian
eiss
(suffix)
←
Latgalian
-i
(suffix)
←
Latvian
īsi
(cognate)