Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle Welsh
an
→
Middle Welsh
yn
(link)
→
Middle Welsh
anglot
(prefix)
→
Middle Welsh
anwedus
(prefix)
→
Middle Welsh
anuod
(prefix)
→
Middle Welsh
anwybot
(prefix)