Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
mlčet
←
Proto-Slavic
*mъlčati
(inherited)
→
Czech
umlčet
(affix)
→
Czech
mlčení
(affix)
→
Lower Sorbian
mjelcaś
(cognate)