Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
adcota
←
Proto-Celtic
*tāti
(inherited)
←
Welsh
taw
(cognate)
←
Proto-Indo-European
*steh₂-
(root)
←
Proto-Indo-European
*steh₂-
(inherited)
←
Old Irish
ad-
(affix)
←
Old Irish
com-
(affix)
←
Old Irish
·tá
(affix)
←
Old Irish
ad-
(mention)
←
Old Irish
in-
(mention)
←
Old Irish
in-
(affix)
←
Old Irish
·tá
(affix)