Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
електрон
←
Bulgarian
електри́чен
(affix)
←
Bulgarian
-он
(affix)
←
Bulgarian
йон
(cognate)
←
English
electron
(borrowed)
←
Ancient Greek
ἰόν
(derived)