Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
сторож
←
Proto-Balto-Slavic
*storʔg-
(inherited)
←
Proto-Indo-European
*sterg-
(root)
←
Old East Slavic
сторожь
(inherited)
←
Old East Slavic
сторожь
(inherited(ru/uk))
←
Russian
страж
(doublet)
←
Proto-Slavic
*storžь
(inherited)
←
Proto-Slavic
*storžь
(inherited(ru/uk))