Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
Bogomil
←
Proto-Slavic
*bogъ
(cognate)
←
Proto-Slavic
*milъ
(cognate)
←
Undetermined
(mention)
←
Undetermined
(mention)
→
English
Bogomilism
(suffix)