Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
zasada
←
Czech
zásada
(cognate)
←
Slovak
zásada
(cognate)
→
Czech
zásada
(cognate)
→
Polish
zasadniczy
(suffix)
→
Polish
zasadny
(affix)