Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
post
←
Welsh
mynegbost
(link)
←
Welsh
postyn
(link)
←
English
post
(borrowed)
←
Latin
postis
(derived)
→
Welsh
cilbost
(affix)
→
Welsh
mynegbost
(affix)