Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
oschéadfaíoch
←
Irish
os-
(affix)
←
Irish
céadfaigh
(affix)
←
Irish
-ach
(affix)