Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
cúnamh
←
Old Irish
congnam
(inherited)
←
Old Irish
con·gní
(mention)
→
Irish
féinchúnamh
(affix)
→
Irish
cúntach
(affix)