Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
lánmar
←
Proto-Indo-European
*pleh₁-
(root)
←
Old Irish
lán
(suffix)
←
Old Irish
mar
(suffix)
→
Irish
lánmhar
(inherited)