Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
mas
←
Welsh
[[i]][['r]] [[maes]]
(mention)
←
Irish
amuigh
(cognate)
←
Old Irish
[[i]] [[mag|mmaig]]
(cognate)
→
Welsh
maswr
(suffix)
→
Irish
amuigh
(cognate)