Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
nithio
←
Proto-Celtic
*nixteti-
(inherited)
←
Proto-Indo-European
*neyk-
(derived)
→
Welsh
gwenith
(mention)
→
Ancient Greek
λικμάω
(cognate)