Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
leshtal
←
Irish
leithscéal
(cognate)
←
Old Irish
leithscél
(inherited)
→
Manx
neuleshtallagh
(affix)