Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
milczeć
←
Proto-Slavic
*mьlčati
(inherited)
→
Lower Sorbian
mjelcaś
(cognate)
→
Polish
milczący
(affix)
→
Polish
milczek
(affix)