Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Esperanto
plu
→
Esperanto
plue
(suffix)
→
Esperanto
pluigi
(affix)
→
Esperanto
plua
(suffix)
→
Ido
plu
(cognate)