Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
go brách
←
Proto-Celtic
*brātus
(derived)
←
Welsh
brawd
(cognate)
←
Irish
go bráth
(mention)
←
Irish
go
(mention)
←
Irish
bráth
(mention)
←
Scottish Gaelic
gu bràth
(cognate)
←
Manx
dy bragh
(cognate)