Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
corn
←
Proto-Brythonic
*korn
(inherited)
←
Latin
cornū
(derived)
←
Middle Welsh
corn
(inherited)
→
Welsh
utgorn
(compound)
→
Welsh
uncorn
(compound)
→
Welsh
pibgorn
(compound)
→
Welsh
Siôn Corn
(compound)
→
Welsh
rhewi'n gorn
(compound)