Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
bochil
←
Old Irish
búachaill
(mention)
→
Breton
bugel
(cognate)
→
Welsh
bugail
(cognate)
→
Manx
bochillaght
(affix)