Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
eeast
←
Irish
iasc
(cognate)
←
Old Irish
íasc
(inherited)
→
Manx
Thalloo yn Eeast
(affix)
→
Manx
eeastagh
(affix)