Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
annadsa
←
Irish
ionatsa
(cognate)
←
Manx
aynyds
(cognate)
←
Old Irish
indiutsu
(inherited)