Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
hypercatalectic
←
Ancient Greek
ὑπερκατάληκτος
(derived)
←
Latin
hypercatalēcticus
(derived)
→
English
hypercatalexis
(back-formation)