Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
sheshey
←
Old Norse
sessi
(derived)
←
Old Irish
seise
(inherited)
→
Manx
sheshaght
(affix)
→
Manx
sheshoil
(suffix)