Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
testas
←
Latin
testis
(derived)
←
Old Irish
teist
(mention)
←
Old Irish
-as
(affix)
→
Irish
teastas
(inherited)