Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Silesian
sōm
←
Proto-Indo-European
*somHós
(inherited)
←
Proto-Slavic
*samъ
(inherited)
→
Silesian
samura
(affix)