Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
mooghey
←
Irish
múchadh
(cognate)
←
Scottish Gaelic
mùchadh
(cognate)
←
Old Irish
múchad
(inherited)
←
Old Irish
múchaid
(mention)
←
Old Irish
múch
(mention)
→
Irish
múchadh
(cognate)
→
Scottish Gaelic
mùchadh
(cognate)
→
Manx
so-vooghey
(prefix)