Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
cacen
←
Welsh
-en
(mention)
←
English
cake
(borrowed)
→
Welsh
cacen gri
(compound)
→
Welsh
cacen fach
(compound)