Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Lithuanian
smegenys
←
Proto-Balto-Slavic
*masgen
(derived)
←
Proto-Indo-European
*mosgʰos
(derived)
←
Old Norse
mergr
(mention)
←
Old Prussian
musgeno
(cognate)
←
Russian
мозг
(cognate)
→
Lithuanian
besmegenis
(confix)