Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ido
flotacar
←
Proto-Germanic
*flutōną
(derived)
←
Proto-Indo-European
*plewd-
(derived)
←
Proto-Indo-European
*plew-
(mention)
←
Ido
floto
(mention)