Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
dojechać
←
Polish
do-
(affix)
←
Polish
jechać
(affix)
→
Belarusian
даехаць
(cognate)