Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
tegan
←
Welsh
teg
(affix)
←
Welsh
-an
(affix)
→
English
Teagan
(mention)
→
English
Tegan
(derived)