Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
boireann
←
Proto-Celtic
*barinā
(inherited)
←
Proto-Indo-European
*gʷr̥H-
(inherited)
←
Proto-Indo-European
*gʷerH-
(mention)
←
Middle Irish
bairenn
(inherited)
←
Old Irish
bairenn
(inherited)
→
Irish
boireannach
(affix)