Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
обедать
←
Old East Slavic
обѣдати
(inherited)
←
Russian
обе́д
(affix)
←
Russian
-ать
(affix)
←
Russian
объеда́ть
(mention)
←
Proto-Slavic
*obědati
(inherited)
←
Proto-Slavic
*obědъ
(affix)
←
Proto-Slavic
*-ati
(affix)
←
Proto-Slavic
*ěsti
(mention)