Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
cumachtae
←
Old Irish
con·icc
(mention)
→
Irish
cumhacht
(inherited)
→
Scottish Gaelic
cumhachd
(inherited)
→
Manx
cummaght
(inherited)