Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
-igid
→
Old Irish
rechtaigid
(affix)
→
Old Irish
fortachtaigid
(affix)
→
Old Irish
indbadaigid
(affix)