Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
orc
←
Proto-Celtic
*ɸorkos
(inherited)
←
English
farrow
(cognate)
←
Proto-Indo-European
*pórḱos
(inherited)
←
Latin
porcus
(cognate)
→
Irish
arcán
(mention)