Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
zaręczyny
←
Polish
zaręczyć
(suffix)
←
Polish
yny
(suffix)
→
Polish
zaręczynowy
(affix)
→
Ukrainian
заручини
(cognate)