Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Slovak
kmotor
←
Proto-Slavic
*kъmotrъ
(inherited)
→
Lower Sorbian
kmótš
(cognate)
→
Slovak
kmotra
(mention)