Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
oxymoronic
←
English
oxymoron
(suffix)
←
English
ic
(suffix)
→
English
oxymoronically
(suffix)
→
English
oxymoronicness
(suffix)
→
English
oxymoronicity
(suffix)