Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
cargoose
←
Gaulish
-
(cognate)
←
English
goose
(cognate)
←
Irish
cir
(cognate)
←
Irish
cior
(mention)