Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Church Slavonic
сѫмьнѣти
←
Old Church Slavonic
сѫ
(prefix)
←
Old Church Slavonic
мьнѣти
(prefix)
←
Proto-Slavic
*sǫmьněti
(inherited)
→
Old Church Slavonic
сѫмьнѣниѥ
(mention)