Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
demerge
←
English
de
(prefix)
←
English
merge
(prefix)
←
English
spin off
(link)
←
English
break up
(link)
←
Latin
demergo
(mention)