Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
shirgey
←
Scottish Gaelic
searg
(cognate)
←
Scottish Gaelic
seargadh
(cognate)
←
Manx
shirg
(cognate)
←
Old Irish
sergad
(inherited)
←
Old Irish
sergaid
(mention)
→
Manx
shirgane
(mention)