Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
oligopoly
←
English
monopoly
(mention)
←
English
oligo
(confix)
←
English
poly
(confix)
←
Ancient Greek
ὀλίγοι
(mention)
←
Ancient Greek
πωλέω
(mention)
→
English
oligopolistic
(suffix)
→
English
oligopolist
(suffix)
→
English
oligopolize
(suffix)