Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
mess
←
Irish
meas
(cognate)
←
Old Irish
mes
(inherited)
→
Manx
yl-vessagh
(affix)
→
Manx
neuvessoil
(affix)
→
Manx
messoil
(suffix)