Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
dofortai
←
Proto-Indo-European
*wortéyeti
(derived)
←
Proto-Indo-European
*wert-
(mention)
←
Old Irish
dí-
(affix)
←
Old Irish
*wortīti
(affix)