Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
trí-
←
Irish
trí
(mention)
←
Manx
tree-
(cognate)
→
Irish
triúr
(mention)
→
Manx
tree-
(cognate)