Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
dubhach
←
Irish
dubha
(suffix)
←
Irish
ach
(suffix)
←
Irish
subhach
(link)
←
Irish
dubh
(suffix)
←
Irish
ach
(suffix)
←
Old Irish
dubach
(inherited)
←
Old Irish
dubach
(inherited)
→
Irish
dubha
(link)