Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
Lonergan
←
Irish
Ó Longargáin
(derived)
←
Irish
lonn
(mention)
←
Irish
garg
(mention)
←
Irish
-án
(mention)
→
English
Lonerganian
(suffix)