Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
nodwydd
←
Breton
nodoez
(cognate)
←
Proto-Celtic
*snātantā
(inherited)
←
Proto-Indo-European
*sneh₁-
(inherited)
←
Old Irish
snáthat
(cognate)
→
Welsh
neidr
(mention)
→
Scottish Gaelic
snàthad
(cognate)
→
Old Irish
snáthat
(cognate)