Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
shirgane
←
Irish
seargán
(cognate)
←
Manx
shirgey
(mention)
←
Manx
shirg
(affix)
←
Manx
-ane
(affix)