Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
дързам
←
Bulgarian
дърцам
(cognate)
←
Proto-Slavic
*dьrdzati
(inherited)
←
Proto-Slavic
*dьrgati
(cognate)
←
Proto-Slavic
*dьrcati
(cognate)
←
Proto-Slavic
*dьrkati
(cognate)
→
Bulgarian
дърцам
(cognate)