Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
banúil
←
Irish
ban-
(affix)
←
Irish
-úil
(affix)
←
Middle Irish
banamail
(inherited)
←
Old Irish
ben
(derived)
→
Scottish Gaelic
banail
(cognate)