Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
Lucey
←
Irish
Ó Luasaigh
(derived)
←
Irish
Mac Cluasaigh
(mention)
←
Irish
cluas
(mention)
→
English
Lucid
(mention)