Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
пижо
←
Bulgarian
-о
(affix)
←
Russian
пыж
(cognate)
←
Serbo-Croatian
пи̏жа
(cognate)
←
Proto-Slavic
*pyžь
(derived)