Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
leasainm
←
Welsh
llysenw
(cognate)
←
Irish
leas-
(affix)
←
Irish
ainm
(affix)
←
Middle Irish
lesainm
(inherited)
←
Middle Irish
les-
(mention)
←
Middle Irish
ainm
(mention)
→
Welsh
llysenw
(cognate)