Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
Lughaidh
←
Primitive Irish
ᚂᚒᚌᚒᚇᚓᚉᚉᚐᚄ
(inherited(sga/ga))