Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
iomadh
←
Proto-Celtic
*imbetom
(inherited)
←
Old Irish
imbed
(inherited)
←
Old Irish
imbad
(mention)