Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
jarroo-vraar
←
Irish
deartháir
(cognate)
←
Manx
jarroo
(mention)
←
Manx
braar
(mention)
←
Old Irish
derbráthair
(inherited)
←
Old Irish
derb
(mention)
←
Old Irish
bráthair
(mention)