Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
pra-
→
Esperanto
pra-
(derived)
→
Polish
praindoeuropejski
(affix)
→
Polish
prawnuczka
(affix)
→
Polish
prasłowiański
(affix)
→
Polish
praojciec
(affix)
→
Polish
pramatka
(affix)
→
Polish
praprawnuk
(affix)
→
Polish
prapradziad
(affix)
→
Polish
pradziad
(affix)
→
Polish
pragermański
(affix)
→
Polish
prababka
(affix)
→
Polish
prapremiera
(affix)
→
Polish
prapłetwiec
(affix)
→
Polish
prapłaziec
(affix)
→
Polish
pragęba
(affix)
→
Polish
prajelito
(affix)
→
Polish
prawzór
(affix)