Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Serbo-Croatian
kus
←
Proto-Slavic
*kǫsъ
(inherited)
→
Bulgarian
къс
(mention)
→
Russian
кус
(mention)
→
Slovak
kus
(mention)