Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
скривш
←
Bulgarian
скри́я
(affix)
←
Bulgarian
-вш
(affix)
←
Serbo-Croatian
скри̑вши
(cognate)
←
Proto-Slavic
*sъkryvъšь
(inherited)
→
Bulgarian
скришом
(affix)