Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
aken
←
Old English
ācennan
(inherited)
←
Old English
gecennan
(mention)
←
Old English
cennan
(mention)
←
English
a
(prefix)
←
English
(prefix)