Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
glae
←
Welsh
glud
(cognate)
←
Latin
glūten
(cognate)
←
Old Irish
gláed
(inherited)
→
Welsh
glud
(cognate)
→
Irish
glaodhamhail
(affix)
→
Irish
gliú
(mention)