Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle English
cunnen
←
Old English
cunnan
(inherited)
←
Proto-Germanic
*kunnaną
(inherited)
←
Proto-West Germanic
*kunnan
(inherited)
→
English
can
(mention)
→
English
try
(cognate)
→
English
canny
(mention)
→
English
cun
(inherited)
→
Scots
can
(mention)
→
Scots
canny
(mention)