Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
di
←
Old Irish
di
(inherited)
→
Scottish Gaelic
dhith
(cognate)
→
Scottish Gaelic
dhi
(cognate)
→
Old Irish
ní
(mention)