Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
doić
←
Proto-Slavic
*dojiti
(inherited)
→
Lower Sorbian
dojś
(cognate)
→
Polish
kozodój
(affix)