Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Church Slavonic
про
→
Old Church Slavonic
пророкъ
(prefix)
→
Old Church Slavonic
проповѣдь
(prefix)
→
Old Church Slavonic
проити
(prefix)
→
Old Church Slavonic
прозьрѣти
(prefix)
→
Old Church Slavonic
прорещи
(prefix)
→
Old Church Slavonic
просвѣтити
(prefix)