Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
aiteacht
←
Irish
ath-
(affix)
←
Irish
teacht
(affix)
←
Irish
ait
(affix)
←
Irish
-acht
(affix)
←
Irish
greannmhaireacht
(link)
←
Irish
suaithníocht
(link)
←
Irish
aisteachas
(link)
←
Irish
aistiúlacht
(link)
←
Irish
aiteas
(link)
←
Old Irish
aittecht
(inherited)
←
Old Irish
aith-
(mention)
←
Old Irish
techt
(mention)