Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
jarrooee
←
Irish
dearbhaigh
(cognate)
←
Manx
jarroo
(affix)
←
Manx
-ee
(affix)
←
Old Irish
derbaid
(inherited)
→
Manx
co-yarrooee
(prefix)
→
Manx
aayarrooee
(prefix)