Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
adhnáireach
←
Irish
adhnáire
(affix)
←
Irish
-ach
(affix)
←
Old Irish
adnáirech
(inherited)
←
Old Irish
adnáire
(mention)
←
Old Irish
ad-
(mention)
←
Old Irish
náire
(mention)
→
Irish
adhnáirigh
(link)