Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
mu
←
Irish
um
(cognate)
←
Manx
mysh
(cognate)
←
Old Irish
imb
(inherited)
→
Scottish Gaelic
mun
(mention)
→
Scottish Gaelic
mu thimcheall
(mention)
→
Manx
mysh
(cognate)