Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
cèile
←
Proto-Celtic
*kēlyos
(inherited)
←
Primitive Irish
ᚉᚓᚂᚔ
(inherited)
←
Old Irish
céile
(inherited)
→
Scottish Gaelic
fear-cèile
(prefix)
→
Scottish Gaelic
nighean-chèile
(affix)
→
Scottish Gaelic
dà-chèileachas
(affix)