Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
potomek
←
Proto-Slavic
*potomъkъ
(inherited)
→
Polish
potomstwo
(suffix)
→
Polish
potomkini
(affix)
→
Polish
potomny
(suffix)
→
Polish
bezpotomny
(affix)