Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
prawdziwy
←
Czech
pravdivý
(cognate)
←
Polish
prawda
(affix)
←
Polish
-iwy
(affix)
←
Slovak
pravdivý
(cognate)
→
Czech
pravdivý
(cognate)
→
Polish
nieprawdziwy
(affix)
→
Polish
prawdziwie
(affix)
→
Ukrainian
правдивий
(cognate)