Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Macedonian
песок
←
Proto-Slavic
*pěsъkъ
(inherited)
→
Macedonian
песочница
(suffix)
→
Macedonian
песочен
(affix)