Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
llosgi
←
Proto-Celtic
*laɸsketi
(inherited)
←
Irish
loisc
(cognate)
←
Ancient Greek
λάμπω
(cognate)
←
Proto-Indo-European
*lh₂p-sḱéti
(derived)
←
Proto-Indo-European
*leh₂p-
(mention)
→
Irish
loisc
(cognate)