Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
skutek
←
Proto-Slavic
*sъ-kut-iti
(inherited)
→
Polish
skuteczny
(suffix)
→
Polish
skutkować
(affix)
→
Russian
кутить
(cognate)