Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
szczurek
←
Polish
szczur
(affix)
←
Polish
-ek
(affix)
→
Latvian
žurka
(borrowed)
→
Polish
Szczurek
(mention)