Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
aosaigh
←
Irish
aois
(affix)
←
Irish
-igh
(affix)
←
Irish
aostar
(mention)
←
Old Irish
áesaid
(cognate)