Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
ys
←
Proto-Indo-European
*h₁ésti
(inherited)
←
Proto-Indo-European
*h₁es-
(mention)
←
Old Irish
is
(cognate)