Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
ael
←
Old Breton
guorail
(cognate)
←
Old Breton
ail
(mention)
←
Old Welsh
ail
(inherited)
←
Middle Breton
guor
(mention)
→
Welsh
aeliau
(affix)
→
Irish
ál
(cognate)