Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
gamhain
←
Old Irish
gamuin
(inherited)
→
English
Gaffney
(mention)
→
English
McCarron
(mention)
→
Manx
gauin
(cognate)