Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
nícon
←
Old Irish
ní
(mention)
←
Old Irish
co
(mention)
→
Scottish Gaelic
chan
(inherited)
→
Manx
cha
(inherited)