Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
aicce
←
Scottish Gaelic
taic
(cognate)
←
Middle Irish
taca
(cognate)
←
Old Irish
ocus
(mention)
←
Old Irish
oc
(mention)
→
Irish
aice
(inherited)