Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
réal
←
Spanish
real
(derived)
←
Irish
raol
(alter)
←
Irish
(alter)
←
Irish
obsolete
(alter)
←
Irish
reul
(alter)
←
Irish
(alter)
←
Irish
dated
(alter)
←
Old Irish
rélaid
(inherited)
→
Irish
réalaí
(affix)