Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
křemen
←
Proto-Slavic
*kremy
(inherited)
→
Czech
křemík
(mention)
→
Lower Sorbian
kśemjeń
(cognate)
→
Upper Sorbian
křemjeń
(cognate)