Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
creid
←
Proto-Celtic
*kreddīti
(inherited)
←
Proto-Indo-European
*ḱred dʰeh₁-
(derived)
←
Old Irish
creitid
(inherited)