Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
mdły
←
Proto-Slavic
*mъdьlь
(inherited)
→
Bulgarian
мъжда
(cognate)
→
Polish
mdleć
(suffix)