Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
beart
←
Proto-Celtic
*bertā
(inherited)
←
Old Irish
bert
(inherited)
→
Scottish Gaelic
frith-bheart
(prefix)
→
Scottish Gaelic
ainbheart
(affix)