Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
mathgamain
→
English
McMahon
(mention)
→
Irish
Mathúin
(inherited)
→
Irish
mathúin
(inherited)
→
Manx
maghouin
(inherited)