Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
zaoszczędzić
←
Polish
za-
(affix)
←
Polish
oszczędzić
(affix)
→
Ukrainian
заощадити
(cognate)