Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
błogi
←
Polish
błahy
(doublet)
←
Proto-Slavic
*bolgъ
(inherited)
→
Lower Sorbian
błogi
(cognate)
→
Polish
błahy
(doublet)