Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
nieprawdziwy
←
Polish
nie-
(affix)
←
Polish
prawdziwy
(affix)
→
Polish
nieprawdziwie
(affix)
→
Ukrainian
неправдивий
(cognate)