Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
archeopteryx
←
English
archaeo-
(cognate)
←
English
-o-
(cognate)
←
Ancient Greek
ἀρχαῖος
(mention)
←
Ancient Greek
πτέρυξ
(mention)