Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
pomóc
←
Polish
po
(prefix)
←
Polish
móc
(prefix)
→
Belarusian
памагчы
(cognate)
→
Polish
pomagać
(suffix)
→
Polish
wspomóc
(affix)