Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
breear
←
Proto-Celtic
*brētrā
(inherited)
←
Old Irish
bríathar
(inherited)
→
Manx
kiune-vreearagh
(affix)
→
Manx
breearagh
(affix)