Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
слаб
←
Proto-Slavic
*slabъ
(inherited)
→
Bulgarian
лапсус
(cognate)
→
Bulgarian
лабилен
(cognate)