Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latgalian
lobs
←
Proto-Balto-Slavic
*labas
(inherited)
←
Proto-Indo-European
*labʰ-
(derived)
←
Lithuanian
labas
(cognate)
←
Latvian
labs
(cognate)
→
Latgalian
labi
(suffix)