Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
troime
←
Irish
trom
(affix)
←
Irish
-e
(affix)
←
Middle Irish
truime
(inherited)
←
Old Irish
trumae
(inherited)