Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
léir
←
Proto-Celtic
*lēris
(inherited)
←
Irish
léar
(link)
←
Irish
léirigh
(link)
←
Irish
léigh
(mention)
←
Irish
léighir
(link)
←
Old Irish
léir
(inherited)
→
Irish
léirigh
(affix)
→
Irish
léirmheas
(compound)
→
Irish
léaró
(mention)