Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
gasometer
←
English
gas
(affix)
←
English
-o-
(affix)
←
English
-meter
(affix)
←
French
gazomètre
(derived)