Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
nó
←
Proto-Celtic
*now-
(inherited)
←
Welsh
neu
(cognate)
←
Old Breton
nou
(cognate)
←
Old Irish
nó
(inherited)
←
Old Irish
nú
(mention)
→
Welsh
neu
(cognate)