Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
acol
←
Proto-Germanic
*aikulaz
(inherited)
←
Proto-Germanic
*aikaną
(mention)
→
German
Eichhörnchen
(cognate)
→
German
heikel
(cognate)