Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
geminate
←
Latin
geminātus
(borrowed)
←
Latin
geminō
(mention)
→
English
geminately
(suffix)
→
English
nongeminate
(prefix)
→
English
degeminate
(prefix)