Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old East Slavic
шьлкъ
→
Belarusian
шоўк
(inherited)
→
Russian
шёлк
(inherited)
→
Ukrainian
шовк
(inherited)