Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
loayr
←
Irish
labhair
(cognate)
←
Middle Irish
labraid
(inherited)
←
Old Irish
labraithir
(inherited)
→
Manx
coloayr
(prefix)
→
Manx
ym-loayr
(prefix)
→
Manx
aaloayr
(prefix)