Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
torf
←
Welsh
twrf
(doublet)
←
Latin
turba
(borrowed)
→
Welsh
twrf
(doublet)
→
Welsh
seindorf
(compound)