Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
пожа́р
→
Belarusian
пажар
(cognate)
→
Russian
пожарный
(affix)
→
Russian
пожарник
(affix)
→
Russian
пожароопасный
(affix)
→
Russian
пожарище
(affix)