Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
yiarn
←
Breton
houarn
(cognate)
←
Proto-Celtic
*īsarnom
(inherited)
←
Welsh
haearn
(cognate)
←
Proto-Indo-European
*h₁ēsh₂r̥no-
(inherited)
←
Proto-Indo-European
*h₁ésh₂r̥
(mention)
←
Old Irish
íarn
(inherited)
→
Manx
yiarnrey
(suffix)
→
Manx
neuyiarnagh
(affix)
→
Manx
yiarnagh
(affix)