Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Church Slavonic
братръ
←
Proto-Slavic
*bratrъ
(inherited)
←
Proto-Slavic
*bratъ
(mention)
→
Old English
broþor
(cognate)