Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Celtic
*uɸor
→
Irish
ar
(inherited)
→
Middle Irish
for
(inherited)
→
Old Welsh
gor
(inherited(owl/wlm))
→
Old Welsh
guor
(inherited)
→
Old Irish
for
(inherited)
→
Old Irish
immar
(inherited)