Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
comhair
←
Irish
i gcomhair
(mention)
←
Irish
os comhair
(mention)
←
Irish
comhaireamh
(back-formation)
←
Irish
comh-
(affix)
←
Irish
áireamh
(affix)
←
Old Irish
comair
(inherited)