Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
gwythi
←
Proto-Celtic
*wēt(t)ā
(inherited)
←
Welsh
gŵyth
(mention)
←
Proto-Indo-European
*weyh₁
(derived)