Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
Redones
←
Gaulish
*reda
(derived)
←
Proto-Celtic
*rēdo-
(derived)
←
Welsh
gorwydd
(cognate)
←
Ancient Greek
Ῥήδονες
(cognate)
←
Ancient Greek
Ῥηΐδονες
(mention)
←
Proto-Indo-European
*(H)reydʰ-
(derived)