Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
eicosa
→
English
eicosapentaenoic acid
(confix)
→
English
eicosapeptide
(prefix)
→
English
eicosadiene
(confix)