Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Hungarian
bolha
←
Proto-Slavic
*blъxa
(cognate)
→
Hungarian
bolhapiac
(compound)
→
Hungarian
bolhák
(affix)
→
Hungarian
bolhászkodik
(affix)