Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
късен
←
Bulgarian
кисна
(cognate)
←
Bulgarian
къ
(compound)
←
Bulgarian
сън
(compound)
←
Bulgarian
къ́сно
(mention)
←
Proto-Slavic
*kъsьnъ
(inherited)
→
Bulgarian
късно
(mention)
→
Bulgarian
кисна
(link)