Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latgalian
i
←
Proto-Balto-Slavic
*ir
(inherited)
←
Proto-Indo-European
*h₂er-
(inherited)
←
Lithuanian
ir
(cognate)
←
Latvian
ir
(cognate)
→
Latgalian
nui
(compound)