Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
enney
←
Old Irish
aithne
(inherited)
→
Manx
hene-enney
(prefix)
→
Manx
yn-enneydagh
(affix)
→
Manx
neuenney
(prefix)