Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
llefrith
←
Welsh
*llef
(mention)
←
Welsh
blith
(mention)
←
Irish
leamh
(cognate)
←
Proto-Indo-European
*h₃lemH-
(derived)