Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
iora
←
Breton
gwiñver
(cognate)
←
Proto-Celtic
*wiweros
(inherited)
←
Welsh
gwiwer
(cognate)
←
Proto-Indo-European
*h₂i-h₂uer
(inherited)
←
Proto-Indo-European
*wer-
(mention)
←
Old Irish
íaru
(inherited)
→
Scottish Gaelic
feòrag
(cognate)