Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
bre
←
Proto-Celtic
*brixs
(inherited)
←
Proto-Indo-European
*bʰerǵʰ-
(inherited)
←
Old Irish
brí
(inherited)
→
English
Brest
(cognate)
→
French
Brest
(cognate)