Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Breton
tev
←
Old English
þicce
(cognate)
←
Proto-Celtic
*tegus
(inherited)
←
Welsh
tew
(cognate)
←
Proto-Indo-European
*tegus
(inherited)
←
Cornish
-
(cognate)
←
Old Irish
tiug
(cognate)