Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
athdháir
←
Irish
ath
(prefix)
←
Irish
dáir
(prefix)
←
Old Irish
athdáir
(inherited)
←
Old Irish
dáir
(mention)
←
Old Irish
dairid
(mention)