Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
agaill
←
Irish
agailleacha
(link)
←
Irish
agailt
(alter)
←
Irish
angailt
(alter)
←
Irish
aigill
(alter)
←
Old Irish
acclaid
(derived)
←
Old Irish
ad·gládathar
(inherited)
→
Irish
anglach
(link)