Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
zaręczyć
←
Polish
za
(prefix)
←
Polish
ręczyć
(prefix)
→
Polish
zaręczyny
(suffix)
→
Polish
zaręczać
(suffix)
→
Ukrainian
заручити
(cognate)