Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Finnish
eksa
→
Finnish
eksametri
(prefix)
→
Finnish
eksagramma
(prefix)
→
Finnish
eksajoule
(prefix)
→
Finnish
eksatavu
(prefix)