Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
ilar
←
Proto-Indo-European
*pelh₁-
(root)
←
Old Irish
il
(affix)
←
Old Irish
-ar
(affix)
→
Irish
iolar
(inherited)
→
Old Irish
ilardae
(affix)