Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
pomagać
←
Polish
pomóc
(suffix)
←
Polish
ać
(suffix)
→
Belarusian
памагаць
(mention)
→
Polish
pomagier
(affix)
→
Polish
wspomagać
(prefix)