Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
lionn
←
Proto-Celtic
*lindos
(derived)
→
Scottish Gaelic
lionn-ubhal
(compound)
→
Ancient Greek
Λίνδον
(cognate)