Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
глава
←
Proto-Balto-Slavic
*galˀwā́ˀ
(inherited)
←
Proto-Slavic
*golva
(inherited)
→
Bulgarian
главоболие
(compound)
→
Romanian
zglăvoc
(mention)