Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
briw
←
Old Irish
brithem
(inherited)
→
Manx
lhiass-vriw
(prefix)
→
Manx
ard-vriw
(prefix)