Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
coś
←
Polish
co
(affix)
←
Polish
-ś
(affix)
→
Belarusian
штось
(cognate)
→
Polish
-ś
(link)
→
Polish
cośkolwiek
(suffix)
→
Polish
cosik
(suffix)