Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Esperanto
nigra
←
Latin
niger
(borrowed)
→
Esperanto
nigre
(affix)
→
Esperanto
nigra nano
(affix)
→
Esperanto
nigrulo
(suffix)
→
Esperanto
nigravidulo
(affix)
→
Ido
nigra
(borrowed)