Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Slavic
*śědъ
→
Czech
šedý
(inherited)
→
Macedonian
сед
(inherited)
→
Russian
седой
(inherited)
→
Serbo-Croatian
сед
(inherited)
→
Old Czech
šědý
(inherited)
→
Old Polish
szady
(inherited)