Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
steag
←
Russian
стяг
(cognate)
←
Proto-Slavic
*stěgъ
(mention)
→
Romanian
stegar
(suffix)
→
Romanian
steguleț
(suffix)