Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
пъргав
←
Bulgarian
пру́жа се
(cognate)
←
Bulgarian
пъ́ргам
(affix)
←
Bulgarian
-ав
(affix)
←
Macedonian
пргав
(cognate)
←
Russian
прыгу́чий
(cognate)
←
Proto-Slavic
*prǫgavъ
(inherited)