Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Indo-European
*h₃lemH-
→
Welsh
llefrith
(derived)
→
Middle Irish
lem
(derived)
→
Old Frisian
lom
(inherited)