Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
annamsa
←
Irish
ionamsa
(cognate)
←
Manx
aynyms
(cognate)
←
Old Irish
indiumsa
(inherited)