Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
dovera
←
Proto-Brythonic
*naw
(derived)
←
Lithuanian
devyni
(cognate)
←
Proto-Slavic
*devętь
(cognate)