Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Breton
nou
→
Welsh
neu
(cognate)
→
Irish
nó
(cognate)
→
Scottish Gaelic
na
(cognate)
→
Scottish Gaelic
no
(cognate)
→
Old Irish
nó
(cognate)